U.S. Senators Amy Klobuchar (D-MN) and Tim Johnson (D-SD) introduced legislation this week that includes a 25 percent renewable energy standard among other strong provisions for domestic alternative energy.

The Securing America's Future with Energy and Sustainable Technologies (SAFEST) Act would establish renewable energy and energy-efficiency standards, incentives for developing biofuels and biofuel infrastructure, and targets for the availability of advanced vehicle technologies.

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