Green investing: Massive incentives for biofuels industry?

A good green investment?

"Later this year, when lawmakers finish dealing a new hand in the energy legislation game, the biofuel industry will clearly come up with the aces," states Jim Ostroff in Kiplingers recently.

Whether biofuels are a real solution of foreign oil dependency and/or global warming is debatable. Nonetheless, is it a good, green investment?

The other day I was watching CNBC's Fast Money program where Guy Adami claimed that investors should forget ethanol and focus on clean diesel technology as a better investment play.

Any thoughts out there?