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The Biofueled Military

With its Great Green Fleet demonstration, the US Navy has shown that it can run on alternative fuels, including diesel from algae and chicken fat. The New York Times notes that the initiative is drawing the ire of lawmakers that say biofuels are expensive — in 2009, algae oil set the Pentagon back $424 a gallon. The Defense Department says that its biofuel spending is small at four percent of its budget request for energy efficiency initiatives, which also including purchasing better engines and using hybrid solar generators and batteries. "Our primary rationale is not economic," says Sharon Burke, the assistant secretary of defense for operational energy plans and programs. "Our job is to defend the country."

The Times adds that having the military purchase such fuels could lead to an eventual reduction in price. However, Rep. Mike Conaway (R-Tex.) says such purchasing should be curtailed. "We just want to require the Department of Defense to do exactly what every other American does when they buy fuel: they try to get the best price they can," he says.

The Scan

Push Toward Approval

The Wall Street Journal reports the US Food and Drug Administration is under pressure to grant full approval to SARS-CoV-2 vaccines.

Deer Exposure

About 40 percent of deer in a handful of US states carry antibodies to SARS-CoV-2, according to Nature News.

Millions But Not Enough

NPR reports the US is set to send 110 million SARS-CoV-2 vaccine doses abroad, but that billions are needed.

PNAS Papers on CRISPR-Edited Cancer Models, Multiple Sclerosis Neuroinflammation, Parasitic Wasps

In PNAS this week: gene-editing approach for developing cancer models, role of extracellular proteins in multiple sclerosis, and more.