Senator Mark Udall (D-CO) offered an amendment to S. 3254, the National Defense Authorization Act for Fiscal Year 2013, which would restore the military's ability to invest in alternative fuels. Shifting from fossil fuels to alternatives like advanced biofuels reduces the military's carbon footprint and reduces pollution, while giving the military more fuel options and loosening its dependence on foreign oil. Investing in advanced biofuels could also enhance national and economic security by keeping military energy spending down and reducing exposure to oil price shocks. On November 28, the Senate approved the Udall amendment by a vote of 62-37 (Senate roll call vote 206). YES IS THE PRO-ENVIRONMENT VOTE. On January 2, 2013, President Obama signed the final defense authorization bill, H.R. 4310 into law, which thankfully retained the Udall amendment.