Clean-tech investment booms to $1.5 billion in second quarter 2010

There arent that many clean-tech deals being made in the U.S., but the ones that are making it through just came off a mighty fine quarter.

Electric car manufacturers and support companies especially. The big winner of the quarter was Palo Alto EV infrastructure firm Better Place, which landed $350 million in funding.

The Golden State also dominated, according to analysis of data from Dow Jones VentureSource.