Showing posts with label Auto Mobile. Show all posts
Showing posts with label Auto Mobile. Show all posts

Sunday, February 8, 2009

"Gas-Saving" Products: Fact or Fuelishness?

Gas prices are up, and so is the volume of advertising for "gas-saving" products. When gasoline prices rise, consumers often look for ways to improve fuel efficiency. Although there are practical steps you can take to increase gas mileage, the Federal Trade Commission (FTC) warns you to be wary of any gas-saving claims for automotive devices or oil and gas additives. Even for the few gas-saving products that have been found to work, the savings have been small.

"Gas-Saving" Advertising Claims

Be skeptical of the following kinds of advertising claims.

  • "This gas-saving product improves fuel economy by 20 percent."

    - Claims usually tout savings ranging from 12 to 25 percent. However, the Environmental Protection Agency (EPA) has evaluated or tested more than 100 alleged gas-saving devices and has not found any product that significantly improves gas mileage. In fact, some "gas-saving" products may damage a car's engine or cause substantial increases in exhaust emissions.
    The gas-saving products on the market fall into clearly defined categories. Although the EPA has not tested or evaluated every product, it has tried to examine at least one product in each category. See "Devices Tested by EPA" at the end of this brochure for category descriptions and product names.
  • "After installing your product on my car, I got an extra 4 miles [6.4 kilometers] per gallon [3.8 liters]."

    - Many ads feature glowing testimonials by satisfied customers. Yet, few consumers have the ability or the equipment to test for precise changes in gas mileage after installing a gas-saving product. Many variables affect fuel consumption, including traffic, road and weather conditions, and the car's condition.
    For example, one consumer sent a letter to a company praising its "gas-saving" product. At the time the product was installed, however, the consumer also had received a complete engine tune-up - a fact not mentioned in the letter. The entire increase in gas mileage attributed to the "gas-saving" product may well have been the result of the tune-up alone. But from the ad, other consumers could not have known that.
  • "This gas-saving device is approved by the Federal government."

    - No government agency endorses gas-saving products for cars. The most that can be claimed in advertising is that the EPA has reached certain conclusions about possible gas savings by testing the product or by evaluating the manufacturer's own test data. If the seller claims that its product has been evaluated by the EPA, ask for a copy of the EPA report.
Product Complaints and Refunds

If you're dissatisfied with a gas-saving product, contact the manufacturer and ask for a refund. Most companies offer money-back guarantees. Contact the company, even if the guarantee period has expired.

If you're not satisfied with the company's response, contact your local or state consumer protection agency or the Better Business Bureau.

Shifting Gears: Real Money-Saving Steps

There are numerous no- or low-cost steps you can take to combat rising gas prices. The most important place to start is at the gas pump; buy only the octane level gas you need. All gas pumps must post the octane rating of the gas under the FTC's Fuel Rating Rule. Remember, the higher the octane, the higher the price. Check your owner's manual to determine the right octane level for your car.

Here are some additional tips to help you get better gas mileage.

Drive more efficiently

  • Stay within posted speed limits. The faster you drive, the more fuel you use. For example, driving at 65 miles per hour (mph), rather than 55 mph, increases fuel consumption by 20 percent. Driving at 75 mph, rather than 65 mph, increases fuel consumption by another 25 percent.
  • Use overdrive gears. Overdrive gears improve the fuel economy of your car during highway driving. Your car's engine speed decreases when you use overdrive. This reduces both fuel consumption and engine wear.
  • Use cruise control. Using cruise control on highway trips can help you maintain a constant speed and, in most cases, reduce your fuel consumption.
  • Anticipate driving situations. If you anticipate traffic conditions and don't tailgate, you can avoid unnecessary braking and acceleration, and improve your fuel economy by 5 to 10 percent. In city driving, nearly 50 percent of the energy needed to power your car goes to acceleration. Go easy on the gas pedal and brakes. "Jack-rabbit" starts and sudden stops are wasteful.
  • Avoid unnecessary idling. Turn off the engine if you anticipate a lengthy wait. No matter how efficient your car is, unnecessary idling wastes fuel, costs you money and pollutes the air.
  • Combine errands. Several short trips taken from a cold start can use twice as much fuel as one trip covering the same distance when the engine is warm.
  • Remove excess weight from the trunk. Avoid carrying unneeded items, especially heavy ones. An extra 100 pounds in the trunk reduces a typical car's fuel economy by one to two percent.
Maintain your car

  • Keep your engine tuned. Studies have shown that a poorly tuned engine can increase fuel consumption by as much as 10 to 20 percent depending on a car's condition. Follow the recommended maintenance schedule in your owner's manual; you'll save fuel and your car will run better and last longer.
  • Keep your tires properly inflated and aligned. Car manufacturers must place a label in the car stating the correct tire pressure. The label usually is on the edge of the door or door jamb, in the glove box, or on the inside of the gas cap cover. If the label lists a psi (pounds per square inch) range, use the higher number to maximize your fuel efficiency. Underinflated tires cause fuel consumption to increase by six percent.
  • Change your oil. Clean oil reduces wear caused by friction between moving parts and removes harmful substances from the engine. Change your oil as recommended by the vehicle manufacturer.
  • Check and replace air filters regularly. Your car's air filter keeps impurities in the air from damaging internal engine components. Not only will replacing a dirty air filter improve your fuel economy, it also will protect your engine. Clogged filters can cause up to a 10 percent increase in fuel consumption.
  • Consider buying a fuel efficient vehicle. Deciding which vehicle to buy may be the most important fuel economy decision you make. The difference between a car that gets 20 MPG (miles per gallon) and one that gets 30 MPG amounts to $3,125 over 5 years, assuming gas costs $2.50 per gallon and you drive 15,000 miles a year.
Efforts

The EPA evaluates or tests products to determine whether their use will result in any significant improvement or detriment to fuel economy. However, the EPA cannot say what effect gas-saving products will have on a vehicle over time because it hasn't conducted any durability tests. It's possible that some products may harm the car or may otherwise adversely affect its performance. In fact, today's vehicles' emission control systems are very sophisticated and complex. They have On Board Diagnostic features that alert the driver to problems associated with the emission control and fuel delivery systems. Retrofit products may have an adverse effect on these systems.

Devices Tested

The following list categorizes various types of "gas-saving" products, explains how they're used and gives product names. Those with asterisks may save measurable, but small, amounts of gas. All others have been found not to increase fuel economy.

Air Bleed Devices. These devices bleed air into the carburetor. They usually are installed in the Positive Crankcase Ventilation line or as a replacement for idle-mixture screws.

Vapor Bleed Devices. These devices are similar to the air bleed devices, except that induced air is bubbled through a container of a water and anti-freeze mixture, usually located in the engine compartment.

Liquid Injection. These products add liquid into the fuel/air intake system and not directly into the combustion chamber.

Ignition Devices. These devices are attached to the ignition system or are used to replace original equipment or parts.

Fuel Line Devices (heaters or coolers). These devices heat the fuel before it enters the carburetor. Usually, the fuel is heated by the engine coolant or by the exhaust or electrical system.

Fuel Line Devices (magnets). These magnetic devices, clamped to the outside of the fuel line or installed in the fuel line, claim to change the molecular structure of gasoline.

Fuel Line Devices (metallic). Typically, these devices contain several dissimilar metals that are installed in the fuel line, supposedly causing ionization of the fuel.

Mixture Enhancers (under the carburetor). These devices are mounted between the carburetor and intake manifold and supposedly enhance the mixing or vaporization of the air/fuel mixture.

Mixture Enhancers (others). These devices make some general modifications to the vehicle intake system.

Internal Engine Modifications. These devices make physical or mechanical function changes to the engine.

Accessory Drive Modifiers. These devices reduce power to specific auto accessories.

Fuels and Fuel Additives. These materials are added to the gas tank.

Oils and Oil Additives. Usually these materials are poured into the crankcase.

Driving Habit Modifiers. These are lights or sound devices to tell the driver to reduce acceleration or to shift gears.

Tuesday, February 3, 2009

CAFE

Corporate Average Fuel Economy (CAFE) is the sales weighted average fuel economy, expressed in miles per gallon (mpg), of a manufacturer's fleet of passenger cars or light trucks with a gross vehicle weight rating (GVWR) of 8,500 lbs. or less, manufactured for sale in the United States, for any given model year. Fuel economy is defined as the average mileage traveled by an automobile per gallon of gasoline (or equivalent amount of other fuel) consumed as measured in accordance with the testing and evaluation protocol set forth by the Environmental Protection Agency (EPA).

The Secretary of Transportation has delegated authority to establish CAFE standards to the Administrator of the National Highway Traffic Safety Administration (NHTSA). NHTSA is responsible for establishing and amending the CAFE standards; promulgating regulations concerning CAFE procedures, definitions and reports; considering petitions for exemption from standards for low volume manufacturers and establishing unique standards for them; enforcing fuel economy standards and regulations; responding to petitions concerning domestic production by foreign manufacturers and all other aspects of CAFE, including the classification of vehicle lines as either cars or trucks; collecting, recording and cataloging Pre- and Mid-model year reports; adjudicating carry back credit plans; and providing program incentives such as credits for alternative fueled vehicle lines.

EPA is responsible for calculating the average fuel economy for each manufacturer. CAFE certification is done either one of two ways:

1) The manufacturer provides its own fuel economy test data,
2) the EPA will obtain a vehicle and test it in its Office of Transportation & Air Quality facility in Ann Arbor, MI.

EPA will do actual tests on typically about 30% of the existing vehicle lines, using the same laboratory test that they use to measure exhaust emissions. The entire certification test procedure, including the vehicle test preparation, the actual running of the test on the dynamometer, the recording of the data, etc.

Congress specified that CAFE standards must be set at the "maximum feasible level". Congress provided that the Department's determinations of maximum feasible level be made in consideration of four factors:

(1) Technological feasibility;
(2) Economic practicability;
(3) Effect of other standards on fuel economy; and
(4) Need of the nation to conserve energy

Manufacturers can earn CAFE "credits" to offset deficiencies in their CAFE performances. Specifically, when the average fuel economy of either the passenger car or light truck fleet for a particular model year exceeds the established standard, the manufacturer earns credits. The amount of credit a manufacturer earns is determined by multiplying the tenths of a mile per gallon that the manufacturer exceeded the CAFE standard in that model year by the amount of vehicles they manufactured in that model year. These credits can be applied to any three consecutive model years immediately prior to or subsequent to the model year in which the credits are earned. The credits earned and applied to the model years prior to the model year for which the credits are earned are termed "carry back" credits, while those applied to model years subsequent to the model year in which the credits are earned are known as "carry forward" credits. Failure to exercise carry forward credits within the three years immediately following the year in which they are earned will result in the forfeiture of those credits. Credits cannot be passed between manufacturers or between fleets, e.g., from domestic passenger cars to light trucks.

Authority to establish vehicle classifications for the purposes of calculating CAFE was delegated to NHTSA. Specifically, the definitions are as follows:

1. Passenger Car – any 4-wheel vehicle not designed for off-road use that is manufactured primarily for use in transporting 10 people or less.

2. Truck – A vehicle can be classified as a truck if it meets one of the following criteria:
  • It is 4-wheel drive or it is rated at 6,000 pounds gross vehicle weight AND has at least four of the following characteristics:
  1. Approach angle of not less than 28 degrees
  2. Breakover angle of not less than 14 degrees
  3. Departure angle of not less than 20 degrees
  4. Running clearance of not less than 20 centimeters
  5. Front and read axle clearances of not less than 18 centimeters each
  • It can perform at least one of the following functions:
  1. Transport more than 10 people;
  2. Provide temporary living quarters;
  3. Transport property in an open bed;
  4. Permit greater cargo-carrying capacity than passenger-carrying volume;
  5. Can be converted to an open bed vehicle by removal of rear seats to form a flat continuous floor with the use of simple tools.

Tips for greener motoring

Your driving habits, the type of vehicle you drive and the conditions under which you drive will affect your vehicle's environmental performance. Follow these tips for greener driving.

Minimize your vehicle use :
Think about your travel needs prior to your travel. Planned travel decisions will result in fewer trips and more efficient/cheaper travel than unplanned decisions made 'on the go'. Some travel planning tips:

  • Plan to do a number of errands in one trip rather than several trips and save both time and fuel (for the first couple of minutes of a car trip the engine is cold and this results in an increase in fuel consumption per kilometer).
  • Patronize shops near to you whenever possible to reduce the distances you travel by car. Walk or cycle to your local shops if you can.
  • Avoid peak-hour traffic whenever possible.
  • Use alternative transport, eg. public transport (bus, train, tram or ferry), walking or cycling. These alternative methods of travel are often cheaper, and may provide other benefits including increased fitness.
Drive in high gear :
The engine runs most efficiently between around 1,500 and 2,500 rpm (lower in diesels). To maintain these low revs you should change up through the gears as soon as practical and before the revs reach 2,500 rpm. Automatic transmissions will shift up more quickly and smoothly if you ease back slightly on the accelerator once the car gathers momentum.

Drive smoothly - avoid unnecessary acceleration :
Drive at a good distance from the car in front so you can anticipate and travel with the flow of traffic. You will be able to see such things as traffic lights changing or cars turning and minimise your fuel use through braking and accelerating back up to full speed.

Minimize fuel wasted in idling :
Minimize fuel wasted in idling by stopping the engine whenever your car is stopped or held up for an extended period of time. By having the engine switched off, even for a short period, you will save more fuel than is lost from the burst of fuel involved in restarting the engine. The net increased wear and tear from this practice is negligible.

Speed kills economy :
High speeds result in high fuel consumption. At 110 km/h your car can use up to 25% more fuel than it would cruising at 90 km/h.

Minimize aerodynamic drag :
Additional parts on the exterior of a vehicle such as roof racks and spoilers, or having the window open, increases air resistance and fuel consumption, in some cases by over 20%.

Look after your vehicle's tyres :
Inflate your vehicle's tyres to the highest pressure recommended by the tyre manufacturer and make sure your wheels are properly aligned (remember to keep your spare tire inflated as well). Looking after your tyres will not only reduce your fuel consumption it will also extend tyre life and improve handling.

Use air conditioning sparingly :
Air conditioners can use extra fuel when operating. However, at speeds of over 80 km/h, the use of air conditioning is better for fuel consumption than an open window.

Travel light :
Don't carry more people or cargo than you have to. The more a vehicle carries the more fuel it uses; an extra 50kg of weight can increase your fuel bill by around 2%.
Service your vehicle regularly

Keeping your vehicle well tuned will minimize its environmental impact.

Tuesday, January 27, 2009

4 Steps to Protect Children

Securing our Most Precious Cargo
Motor vehicle crashes are the leading cause of death among children ages 2 to 14, due in large part to the nonuse or improper use of child seats and seat belts. Working with parents and our partners our goal is to ensure every child is properly secured and safe every trip, every time.


Parents - Not Sure Which Car Seat to Use?
Are you looking for a new car seat for your infant, toddler or 4-8 year old child but overwhelmed by the choices and worried about how to properly install your car seat? Our 4 Steps for Kids campaign will help you properly choose and install the correct car seat for your child. Simply click on the link below that best matches your child.

REAR-FACING SEATS

Infants - from birth to at least 1 year old
For the best possible protection keep babies in the back seat, in rear-facing child safety seats, as long as possible up to the height or weight limit of the particular seat. At a minimum, keep babies rear-facing until a minimum of age 1 and at least 20 pounds.

FORWARD-FACING TODDLER SEATS

Toddlers - Age 1 & 20 lbs to Age 4 & 40 lbs
When children outgrow their rear-facing seats (at a minimum age 1 and at least 20 pounds) they should ride in a forward-facing toddler seat, in the back seat, until they reach the upper weight or height limit of the particular seat (usually around age 4 and 40 pounds).

BOOSTER SEATS

Children - from about age 4 to at least age 8
Once children outgrow their forward-facing seat (usually around age 4 and 40 pounds), they should ride in booster seats, in the back seat, until the vehicle seat belts fit properly. Seat belts fit properly when the lap belt lays across the upper thighs and the shoulder belt fits across the chest (usually at age 8 or when they are 4'9” tall).

SAFETY BELTSTweens - age 8 and older
When children outgrow their booster seats, (usually at age 8 or when they are 4'9” tall) they can use the adult seat belt in the back seat, if it fits properly (lap belt lays across the upper thighs and the shoulder belt across the chest).


Thursday, January 22, 2009

The Crash Tests and Dummies

Road traffic accidents takes lives of more than one million people a year, injuring another thirty-eight million (5 million of them seriously). The death rate of the world's roadways makes driving the number one cause of injury and death for young people ages 15 to 44 years.
How safe is that a used or a new automobile you are thinking of purchasing? With the inventions of the airbags and crash testing, the numbers of citizens injured and killed by vehicles has decreased in many nations.
A crash test is a form of destructive testing usually performed in order to ensure safe design standards in Crash worthiness and crash compatibility for automobiles or related components.
The Crash tests are done under very careful safety and scientific standards. Every crash test is very costly so the maximum amount of data must be got from each and every test. Typically, this requires the usage of high-speed data-acquisition, at least one accelerometer and crash test dummies.
Two types of crash tests are been performed on each automobile – one is an offset frontal test and the other is side impact test. These tests suggest two of the most common crashes that occur on our roads.
Dummies are used to calculate the level of injury that would affect the front seat occupants wearing the safety belts in these crashes.
The crash-rating dummy represents an average-sized adult is been placed in the driver seat and rear passenger seats and secured with the vehicle's seat belts.
The mandatory standard for crash tests is to:
  • Reduce the level of risk to drivers, passengers and public by preventing supply of dummies that do not meet key safety requirements.
  • Reduce the incidence of serious injury associated with poor quality products.
  • Give consumers confidence that dummies available in the market have
  • a reasonable level of safety.
  • Provide a framework for industry to determine appropriate levels of safety for dummies.

Choose a Qualified Dealer to Modify Your Vehicle

Even a half inch change in the lowering of a van floor can affect a driver's ability to use equipment or to have an unobstructed view of the road; so, take time to find a qualified dealer to modify your vehicle. Begin with a phone inquiry to find out about credentials, experience, and references. Ask questions about how they operate. Do they work with evaluators? Will they look at your vehicle before you purchase it? Do they require a prescription from a physician or other driver evaluation specialist? How long will it take before they can start work on your vehicle? Do they provide training on how to use the adaptive equipment? If you are satisfied with the answers you receive, check references; then arrange to visit the dealer's facility. Additional information to consider is listed below.

Are they members of the National Mobility Equipment Dealers Association (NMEDA) or another organization that has vehicle conversion standards?
  • What type of training has the staff received?
  • What type of warranty do they provide on their work?
  • Do they provide ongoing service and maintenance?
  • Do they stock replacement parts?
Once you are comfortable with the dealer's qualifications, you will want to ask specific questions, such as:
  • How much will the modification cost?
  • Will they accept third party payment?
  • How long will it take to modify the vehicle?
  • Can the equipment be transferred to a new vehicle in the future?
  • Will they need to modify existing safety features to install the adaptive equipment?
While your vehicle is being modified, you will, most likely, need to be available for fittings. This avoids additional waiting time for adjustments once the equipment is fully installed. Without proper fittings you may have problems with the safe operation of the vehicle and have to go back for adjustments.