Replies to post #2720 on The Rising Influence of Rising Affluence

[oldberkeley]

James Harger...estimates 15% of U.S. buses and trash trucks run on natural ga

No way, not even close IMO.

My brother-in-law, a lifelong tinkerer and auto aficionado, has modified his car to run on leftover restaurant grease. I wonder what the percentage is on that!

[OakesCS]

i've seen a bunch of buses in our 'beloved' Cambridge that run on NG and Obama bought nice new NG fueled taxis for the local cab companies; however, i have seen zero NG fueled garbage trucks - anywhere.