On Earth Day, I spent five minutes under the hot lights at Fox Business News. It seems we're still debating whether climate change is real. Watch the video and let me know how I did.

The incredibly fuel-efficient Bright Idea isn't aimed at jam band fans who follow Phish: It's targeting fleet customers like Coca-Cola, Frito-Lay and Cox Communications.

What came first, the electric car or the charging station? In an increasing number of cities, it's the network of places to plug in.

European carmakers have been slow to adopt hybrids, and the new Mercedes entry is not exactly game-changing: It's too heavy to be truly fuel-efficient. But five stars for Dianne Reeves!