The U.S.Department of Energy gave the Vehicle Research Institute a $500,000 grant to improve the biogas refining process and then demonstrate whether the fuel can be cost-competitive in cars.

VOA: standard.2010.02.23

Sinai said he doesn't necessarily think another stimulus will be necessary, adding that the economy is in the process of healing itself and could improve significantly in 6 to 12 months.

VOA: standard.2009.03.10