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

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.

All used up: Pre-owned sales rise as consumers seek new-car alternatives

Used-car sales took a leap upward in April, and the trend is expected to continue at least until midyear as pent-up demand for affordable pre-owned vehicles jacks up at least one segment of the car marketplace. Sales of new cars continued an unabated slide toward what analysts say is a 30-year low in the United States, but used-car sales showed strength as buyers unable to finance new cars shifted their sights to less expensive used models. As a result, retailers such as the large Penske Automotive Group reported that despite an overall decline in sales in the first three months of 2009, improving used-car sales kept them in the black.

Subaru XV crossover teased with photo ahead of Frankfurt

Subaru XV tease photo We understand the tease, we really do. The ability for car makers to get reams of online coverage for every snippet of information they deign to impart ahead of a car launch is powerful. Which is why we have a photo tease for the Subaru XV Crossover ahead of Frankfurt.