DailyDirt: More Plastic Cars

from the urls-we-dig-up dept

It's been a while since the Pontiac Fiero was considered a "radical" car. If you don't remember it, the Fiero had a plastic body -- which some folks said made it unsafe (even though owners of it were more likely to be injured from an engine fire). Plastic cars have continued to improve, and here are just a few more car parts that are being made from environmentally-friendly plastic.

• Bridgestone has designed some air-free tires from recyclable plastics. These tires aren't quite ready for full-size cars yet, but maybe someday no one will have to check the air pressure in tires. [url]
• Replacing steel in cars with composite materials will make our four-wheeled friends lighter and more fuel efficient. Unfortunately, carbon fiber car parts are still a bit too expensive, but that could change.... [url]
• Car parts from mad cows? Does anyone want to drive a car made from infected cow skulls, brains, nerves, eyes, tonsils and spinal cords? Oh, Canada! [url]
• To discover more interesting car-related content, check out what's driving around StumbleUpon. [url]  

By the way, StumbleUpon can recommend some good Techdirt articles, too.

Filed Under: carbon fiber, cars, environmentally friendly, lightweight cars, mad cows, plastic, tires
Companies: bridgestone, pontiac

DailyDirt: Making Lightweight Cars

from the urls-we-dig-up dept

Only about 15% of a car's fuel actually goes towards propulsion, but making cars lighter would still significantly improve fuel efficiency. The trick will be maintaining the safety (or perceived safety) of lightweight cars... which also need to share the roads with trucks and cars that haven't been on a diet. Here are some interesting links on materials that might make cars greener and lighter.

• Coal ash is a cheap waste product, but it might also be a good filler material to make cars about 10% lighter. Coal ash added to steel or aluminum could create less dense metals that are still just as strong. [url]
• Brazilian scientists are working on incorporating fibers from bananas, pineapples and other plant matter into plastic car parts to make them stronger and lighter and more renewable. Instead of wood paneling on old station wagons, there might be a faint fruity smell to car dashboards, bumpers and body panels. [url]
• Injecting more air into plastic parts when they're created could produce more lightweight materials. The air bubbles have to be really really small, though, so that the structural integrity of the final part isn't affected too much. [url]
• To discover more interesting car-related content, check out what's driving around StumbleUpon. [url]  

By the way, StumbleUpon can recommend some good Techdirt articles, too.

Filed Under: coal ash, fuel efficiency, lightweight cars, plastic