You may not know the faces, but if you’re a fan of NPR’s automotive call-in show “Car Talk,” you certainly know the voices (and the frequent laughs) of Tom and Ray Magliozzi, aka Click and Clack, the Tappets. The boisterous brothers — who’ll get animated this summer for their very own PBS cartoon following their off-the-air lives — make a rare TV appearance on tonight’s Nova (8 pm/ET, PBS) to look at the “car of the future” and what will power it: ethanol, hydrogen or electricity.
TVGuide.com: You do so little TV. What attracted you to this installment of Nova?Ray Magliozzi: The idea of the car of the future intrigues us. I was promised by reading Popular Science and