Pro X Grooved Ultralight Front Sprocket 12 Tooth on 2040-parts.com

What is 230? We bet it's GM's moonshot--the Chevrolet Volt's mpg rating

The number 230, with an image of an electric plug outlet as the "0," is popping up in a lot of places lately--such as the virtual ad on the backstop of televised baseball games and around the Web. It also has 8-11, for Aug. 11.

Vintage Porsche 911s, 912s and 356s to cross the block Aug. 24

Porschephiles: This is your time to buy, this is your best chance to get in the game, this is your nirvana. On Aug. 24, a collection of nearly 200 squashed Beetles from Stuttgart are going on sale through Anglia Car Auctions in Kings Lynn, England.

Electric cars can become electricity banks

Ever try to store electricity? It won't stay in a bottle, and you can't keep it in your sock drawer. So when you have a lot of it--say, when it's windy and your wind turbines are really spinning, or when it's sunny and your gallium arsenide photovoltaics are lighting up, or at night when the utility's generators can run unhindered--you have to store it somewhere.