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By pairing biology and photovoltaics, a new "electrofuel" system could build alternative fuels.
Scientific research and entrepreneurship in clean energy is alive and well at the ARPA-E Summit.
Start-up Joule Unlimited is on the forefront of using genetic engineering to replace petrofuels, trying to learn from shortcomings of other biofuel technologies.
The ARPA-E program is funding promising cutting-edge research, but there are financial and policy barriers for getting those technologies to a meaningful scale.
Navy's Ray Mabus announces research plan with Department of Energy around grid storage, part of ambitious program to cut fossil fuel use in half this decade at the Navy.
ARPA-E, the Department of Energy agency created to research clean-energy breakthroughs, puts an additional $106 million into 37 commercial and academic ventures.
The Department of Energy's ARPA-E program offers funds for high-risk, high-return energy research in fuels, carbon capture, and electric vehicle batteries.