Oil giant BP backs CoolPlanet BioFuels

Oil giant BP has invested in biofuel startup CoolPlanet BioFuels, according to an announcement on Thursday. CoolPlanet BioFuels is the biofuel startup you have never heard of but that has unusually famous investors like GE, Google, NRG Energy and ConocoPhillips.

A new kind of solar water heater coming soon via GMZ Energy

A startup that makes materials that can convert heat into electricity plans to develop a solar hot water heater using its materials that could go on sale next year. The device will be the first product from GMZ Energy, which recently raised $14 million in funding.

As web VC investing booms, cleantech slows

Earlier this week figures from the latest MoneyTree report found that VC funding for web startups has reached a 10-year high. Contrast that with the funding figures from Dow Jones, which found that venture investment in the energy sector dropped by more than half.

OPX Biotechnologies raising $45M for next-gen biofuels

Four-year-old OPX Biotechnologies, which uses genomics to make biofuel production more efficient and economic, is in the process of raising a $45 million round, and has closed on $37 million of that funding, according to a filing.

GE, NRG back Israeli water-to-energy startup

Turning wastewater – from cities or food processing plants – into electricity has always attracted investors fancy. Now an investor consortium of GE, NRG Energy and ConocoPhillips is making its first bet on an Israeli technology developer via its new fund called Energy Technology Ventures, the companies said Tuesday.

General Compression Raises $20M for Air Energy Storage

The next-generation of technology to use compressed air for energy storage is on its way. One of the companies leading the way — General Compression — has raised another $20.39 million Series B round, according to a filing.