California has just updated its Air Resources Board website to give consumers a wide range of information about all the alternative power cars coming out next year, from electric cars to diesel hybrids.

The new site—driveclean.ca.gov—offers well-organized data that ranks vehicles according to various emission and cost characteristics and provides tools to compare models on a variety of qualities, including the new incentives that low carbon emission vehicles qualify for: up to $5,000 for cars, and up to $15,000 for electric trucks or vans.

One aspect of the site is revolutionary: For the first time Americans will be able to compare models based on how many grams of CO2 each spews per mile.

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