Alternative Fuel Station May Be Future

Graphic compares the energy ratio of selected alternative fuels to gasoline. (AP Graphic) (AP)

"Let's get the younger ones who are still receptive to new ideas," she said. "We're capturing them at an early age."

Mike Pryor, a volunteer chaperoning his son's class, also paid attention to the tour.

"It's actually better for me, I think, than for the kids," said Pryor, adding that he may eventually replace his van with a hybrid.

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On the Net:

EcoCenter: http://www.sdecocenter.org/

Willie Nelson Biodiesel: http://www.wnbiodiesel.com/

BP: http://www.bp.com