Hosting a fundraiser for President Obama may be the key to getting millions in federal green energy tax dollars, according to the Washington Free Beacon’s Lachlan Markay.

LanzaTech, a green energy biofuel company, received a $4 million award on Sept. 19 from the Department of Energy, only months after one of its "chief financiers and public advocates hosted the president at his Portola Valley home for a $32,400-a-head fundraiser for the Democratic Party," Markay reported.

The Roselle, Ill.-based LanzaTech received the grant to design a gas fermentation system that will "significantly improve the rate at which methane gas is delivered to a biocatalyst," according to the DOE website.

Markay said LanzaTech also received $2,282,818 from the DOE in October 2011.

Venture capitalist Vinod Khosla is an active investor in LanzaTech. Khosla has been behind nine companies that have received some form of tax-funded federal assistance.

Since 2008, according to Markay, Khosla has donated almost $1.3 million to Democratic candidates and groups.

Go here for more information from Markay.