Lead isotopes a new tool for tracking coal ash

Inhaling dust that contains fly ash particles from coal combustion has been linked to lung and heart disease, cancer, nervous system disorders and other ill effects.

Ford to unveil solar hybrid concept car at CES

(AP)—Ford plans to unveil at this month's International CES gadget show a solar-powered concept car that offers the same performance as a plug-in hybrid but without the need for a plug.

Karma hybrid car offers earth-friendly luxury

Technology lovers stopped and stared as the world's first high-performance hybrid luxury sedan glided silently down a street outside the Consumer Electronics Show in Las Vegas on Wednesday.

More myths busted about electric cars

I recently went to Finland to drive the all-electric Think City plug-in car (thinkev.com), which is already on European roads and coming to the U.S. later this year. To help it have a soft landing, Think CEO Richard Canny ...

EarthTalk: Are hybrid cars really better for the environment?

Dear EarthTalk: If you have an electric or plug-in hybrid car, you're paying for electricity rather than gasoline all or most of the time. How does that cost compare to a gas-powered car's cost-per-mile? And since the electricity ...

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