Amtrak representatives announced this week that their train engines ran just as well when diesel was replaced with up to 20% of a biofuel made from beef tallow. 


(SmartPlanet)

No comments:

Post a Comment

Free E-book "Readings in Urban Planning and Design"

Readings in Urban Planning and Design This manuscript expands upon, and compliments, chapters in the book “Planning Connections – Human, Nat...