I understand the logic behind such long intervals: The Sprinter is primarily a commercial vehicle ... Back to our fuel adventure: Along with regular petroleum-based Diesel #2—what I think ...

All fuel cells have the same basic configuration, an electrolyte and two electrodes, but there are different types ... based technologies currently used in many power plants and cars.

Pros: Potential for excellent fuel economy, run on existing gasoline supplies, and drive just like regular cars, requiring no change in lifestyle habits. Cons: Some hybrids cost much more than ...