Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Tomorrow's world: lightweight carbon composites

Once all the dust settles on The Great Battery Farce (the idea that the world's ills will be taken care of by sticking a battery in everything that moves and charging it up) we may eventually face up to the fact that the best way to move something around more economically, is to move less of it. That means making things lighter, a lot lighter. Car makers are working on it and manufacturers like Audi and Jaguar have already become masters in bringing aluminium to the mass production.

'80s dream-car bargains: The AutoWeek list

'84-'89 C4 Corvette High: $44,000 Low: $2,500 Average: $10,018 Our take: Arguably the best buy on this list '85-'89 Volkswagen GTI High: $5,995 Low: $4,100 Average: $4,865 Our take: The iconic pocket rocket '85-'89 Ford Mustang 5.0 High: $48,995 Low: $1,900 Average: $7,924 Our take: Pony car + V8 = tons of fun '87-'89 Pontiac Firebird Formula High: $22,900 Low: $4,000 Average: $10,293 Our take: One day, you might be able to show it at an Orphan Car Show '84-'87 Buick Grand National High: $31,700 Low: $9,000 Average: $17,442 Our take: If you can find a clean one for less than $20,000, buy it '81-'82 DeLorean DMC-12 High: $26,900 Low: $15,998 Average: $22,572 Our take: Only on the market for a couple years; might always be a collectible '81-'89 Lotus Esprit High: $41,998 Low: $16,495 Average: $23,535 Our take: One of the fastest cars in its day '88-'89 BMW M3 High: $65,000 Low: $14,500 Average: $24,417 Our take: A lot of thrills for the money '83-'85 Ferrari 308 GTS High: $44,950 Low: $32,900 Average: $37,878 Our take: A Ferrari for less than 40 grand? Believe it '81-'89 Porsche 911 Turbo High: $78,500 Low: $24,900 Average: $40,669 Our take: Be careful, these monsters are a handful!

One Lap of the Web: Cozy Coupes and '80s ATVs

-- Bill Simpson is a legend in the world of motorsports -- so much so that it might have taken you a moment to realize that there is a real Simpson behind those Simpson helmets. After 40 years spent saving the lives of drivers everywhere, a few years ago Simpson had a chance encounter with then-Indianapolis Colts offensive line coach Tom Moore. So he decided to tackle (heh, punny!) the world of youth football with carbon-fiber and Kevlar helmets that weigh less than 2 pounds and have already started reducing concussions in high school games.