Showing posts with label car crashes. Show all posts
Showing posts with label car crashes. Show all posts

Thursday, March 19, 2009

Computer driven cars?

Cars of today are safer in America than ever before. Are we moving toward computer-driven cars from the advances in computer-operated active safety features?

One of the top factors in choosing a new car is safety, according to J.D. Power's survey of new car buyers.

Manufacturer response to consumer demands and the National Highway Traffic Safety Administration (NHTSA) passenger protection mandates means safer cars for Americans.

Airbags
The current trend is adding more and smarter airbags. Even affordable sedans are offering a standard six airbags: Two front and four side curtain airbags. Luxury vehicles are doubling the effort with twelve.

New airbag offerings provide multi-stage deployment and passenger detection systems. In the event of a crash, airbags deploy only when a person occupies the seat and in stages for maximum injury protection.

NHTSA estimates airbags have saved nearly 22,500 lives since 1987.

Head restraints
Even lower speed crashes can produce whiplash-type head and neck injuries. Manufacturers offer most vehicles with active head restraints to prevent the backward motion of the head at impact.

While the Insurance Institute of Highway Safety (IIHS) reports quite a few models do not make their highest safety rating, the majority of American cars do.

Vehicle construction
The NHTSA has determined American vehicles have neared the safety ceiling for vehicle construction with the advances in alloys, crumple zones and modified cabin and roll cages.

Most vehicles introduced earn the highest safety rating offered by the NHTSA and IIHS. All vehicle safety construction changes have been made to obtain the NHTSA's five star rating and the IIHS's good rating.

Current research into roof construction will lead to a new NHTSA standard. The next frontier for vehicle safety is crash avoidance.

Vehicle stability
Under NHTSA mandate, all new vehicles must have electronic stability control by 2012. Computer-operated stability control could save as many as 10,000 lives per year and reduce single vehicle crashes by as much as 34 per cent.

Future technology
Since computers react faster than drivers, more active safety features rely on computers.

Lane departure warning systems are being added to some models for the NHTSA to research their efficacy before mandating their installation in all new vehicles.

More complex systems, like collision avoidance systems, are the first baby steps toward computer-driven cars. These vehicles anticipate crashes, close windows and sun roofs and preload brakes.

Slowing cars prior to impact reduces the severity of crashes. Closing of cabin openings, like sun roofs, increases the stability of the cabin, reducing injuries inside.

Read on to find out how these changes are making the safety ratings harder to attain and driving safer.

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Tuesday, March 10, 2009

How safe is an efficient car?

Wanted: A safe, American-built vehicle with excellent fuel efficiency in 2015.

While this does not sound like a tall request, American automakers have been joined by Oriental and European giants, like Toyota and Volkswagen, in proclaiming they cannot make such a vehicle with a consumer-friendly price tag.

Mandated fuel economy

Proposed Federal fuel economy regulations aims to speed up the schedule for producing fuel efficient cars to combat oil consumption and carbon emissions. Manufacturers are on a slower paced plan.

Since 1975, the Corporate Average Fuel Economy (CAFE) program have increased fuel economy in manufacturers' fleets to 27.5 miles per gallon (MPG). Current CAFE regulations are codified in United States Code Title 49, Sub. VI, Part C, Ch. 329. CAFE sets the fuel economy for each year, which increases annually 3.3 per cent.

The proposed amendment would increase that rate to 4.5 per cent. Passenger car and light truck MPG would be 31.6 by 2015.

Safety factor

Manufacturers are balking at the price tag for producing cars with this fuel efficiency. In order to preserve jobs and make a profit, they will need to price these cars above the reach of the average consumer.

No manufacturer has publicly commented it would sacrifice safety for fuel economy, although environmental impact statements (EIS) of current models profess body weight as the biggest deterrent to fuel economy.

Since 1950, manufacturers have striven to improve crashworthiness, the vehicle's ability to survive a crash with its occupants alive or unharmed. Internal safety advances include seat belts and air bags. While those do not impact fuel economy, advanced roll cages, the car's skeleton, are the heaviest components in the car. External advances included bumper systems and crumple zones. These have varied effects on the weight of the vehicle.

Uncrashworthy cars are a liability for owner and manufacturer. When cars do not survive crashes, occupants sue the owners of other vehicles and the auto maker who produced the unsafe car.

Practical fuel economy

Technological advances in fuel economy are the first attack in producing more fuel efficient cars. Manufacturers declare this avenue as exhausted: The engine cannot be more economical.

Aerodynamics are next. Vehicles have smoother lines to resist air drag. Consumers have rejected the most fuel efficient designs as undesirable, even though the cars are economical to drive and safer than most other designs.

There is an undeniable link between weight and crashworthiness. Will fuel economy standards lead to less crashworthy cars?

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Tuesday, October 28, 2008

Car Facts & Safety

Driving safety is important to everyone, even those who do not drive. This week's blog will investigate some interesting statistics on vehicles, driving safety and the combination of children and cars.

A view of the future

Driveway accidents
Children under four are the most likely to be killed in accidents in driveways while adults (or teens) are backing up.

Be on the lookout for safety tips and advice on how to protect your child from this type of accident.

Vehicle Fires
Vehicle fires on the highway took the lives of 365 people in the United States in 2007.

Do you know what to do in the case of a car fire? Do you know how to prevent one? I will be answering both of these questions in this week's blog.

Teen Drivers
35% of teens who die do it in a vehicle crash.

What causes teen crashes? Do you know the best ways to help teen drivers (and passengers) survive to age 20? Both of these questions will be highlighted and answered this week.

Pedestrian crashes
January 1 and October 31 are the most dangerous days for pedestrians. More pedestrians die on these two days than any others.

This week we will look at which pedestrians are at the highest risk (and it may not be who you think), what conditions are the most dangerous and how to avoid becoming a pedestrian fatality.

Stay tuned or subscribe to get a full palette of driving safety tips.



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