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Energy researchers: clean US hydrogen economy is within reach, but needs a game plan

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Addressing climate change requires not only a clean electrical grid, but also a clean fuel to reduce emissions from industrial heat, long-haul heavy transportation, and long-duration energy storage. However, they note, a clean US hydrogen economy will require a comprehensive strategy and a 10-year plan. —Arun Majumdar.

Hydrogen 199
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ORNL study finds best current use of natural gas for cars is efficient production of electricity for EVs

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However, they also noted, high PTW efficiencies and the moderate fuel economies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. If CNG were to be eventually used in hybrids, the advantage of the electric generation/EV option shrinks. —Curran et al.

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Groupe Renault creating first European factory dedicated to the circular economy of mobility in Flins

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Groupe Renault is creating the REFACTORY in Flins, the first European circular economy site dedicated to mobility. It will be based on a wide network of partners from all sectors and will revolve around 4 poles of activity, putting into practice the principles of the circular economy at each stage of the vehicle life cycle and mobility.

Economy 397
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EPA trends report sees record levels of average new vehicle fuel economy and CO2 emissions for MY 2012; role of new gasoline vehicle technologies

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The final model year (MY) 2012 adjusted, real world CO 2 emissions rate is 376 g/mi—a 22 g/mi decrease (-5.5%) relative to MY 2011. MY 2012 adjusted fuel economy is 23.6 mpg fuel economy improvement from MY 2011 to MY 2012 is the second largest annual improvement in the last 30 years. Click to enlarge.

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EPA: US greenhouse gases dropped 3.4% in 2012 from 2011; down 10% from 2005 levels

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US greenhouse gas emissions by gas. The US Environmental Protection Agency (EPA) released its 19 th annual report of overall US greenhouse gas (GHG) emissions, showing a 3.4% decrease in 2012 from 2011. Total emissions of the six main greenhouse gases in 2012 were equivalent to 6,526 million metric tons of carbon dioxide.

2005 252
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DOT and EPA release revised fuel economy and GHG emission standards for MY 2021-2026 light-duty vehicles

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The US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) and the US Environmental Protection Agency (EPA) released the final Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule setting corporate average fuel economy (CAFE) and CO 2 emissions standards for model years 2021-2026 passenger cars and light trucks.

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EPA Administrator broadly outlines Trump Administration thinking on fuel economy standards and California

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In a speech on Tuesday at the National Automobile Dealers Association meeting in Washington, US Environmental Protection Agency (EPA) Administrator Andrew Wheeler outlined the Trump Administration’s thinking on national fuel economy standards and California. Earlier post.). Earlier post.). Earlier post.).