New Combustion Strategies Plus Biofuels Add Up to Cleaner, More Efficient Cars and Trucks

Last year, average fuel economy for light-duty vehicles hit a new high, while the pandemic reduced time on the road, fuel consumption, and emissions. These short-term reductions have spurred efforts to cement even greater long-term fuel efficiency gains and emissions reductions for gasoline-powered vehicles, which are likely to make up the majority of the U.S. automotive market for years to come. At the same time, to meet delivery demands from surges in online ordering by quarantined Americans, freight trucks have regained activity and diesel consumption levels even higher than those seen prior to the pandemic.

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From Wet Waste to Flight: Scientists Announce Fast-Track Solution for Net-Zero-Carbon Sustainable Aviation Fuel

Aircraft stand at a turning point in the race to reduce emissions to mitigate climate change. Although the aircraft sector only accounts for a sliver of transportation-related greenhouse gas (GHG) emissions in the United States—at 9%—it is difficult to decarbonize.

With jet fuel demand set to double pre-pandemic levels by 2050 and airlines ramping up pledges to reduce emissions, innovations in fuels, engines, and emerging technologies are critical to closing the gap to net zero.

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More electricity is generated in Georgia from biomass than in any state except California

Biomass may not be electricity fuel king in Georgia, but the state definitely is peachy keen on the resource.

Last year, the state generated 5 million MWh (or 5 GWh) of electricity from biomass, according to a Tuesday report by the U.S. Energy Information Administration. This is about 10 percent of the nation’s biomass-fired total and more than any other state except California.

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The US electric power sector is halfway to zero carbon emissions

Renewable energy’s rapid growth is accelerating a national shift to a carbon-free electric power system.

So far 17 states plus Washington, D.C., and Puerto Rico have adopted laws or executive orders setting goals for reaching 100% clean electricity by 2050 or sooner. And 46 U.S. utilities have pledged to go carbon-free. Now the Biden administration and some members of Congress are proposing to decarbonize the power sector by 2035.

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How a desert became a carbon sink zone

When we think about the deserts of the world, water abundance is one of the last things that come to mind. But that might change for the Taklamakan Desert in northwest China.

While studying the amount of carbon dioxide in the desert’s air, a team of researchers was surprised to learn that large amounts of the greenhouse gas were disappearing around a region of the desert called the Tarim basin.

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