The buzz on alternatives to gasoline usually focuses ... it would evaporate rather than create a puddle under the car. While the gas is escaping the storage tank, it is highly volatile.

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 ...

Terrabon, a Texas-based company specializing in biofuels, reports its alternative fuel is completely compatible ... require no special modifications to automobiles or the current energy ...