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EPA annual inventory shows US GHG up 3.1% from 2017-2018

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The 2020 edition of US Environmental Protection Agency’s (EPA) comprehensive annual report on nationwide greenhouse gas (GHG) emissions shows that emissions increased from 2017 to 2018 by 3.1% (after accounting for sequestration from the land sector). Source: EPA. >. The number of vehicle miles traveled (VMT) by light-duty vehicles (i.e.,

2018 243
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Volkswagen customers in Germany ordering more diesel vehicles; share of 43% in 2018, vs. 39% in 2017

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In 2018, the share of incoming orders for vehicles equipped with the latest diesel technology as a proportion of the overall vehicle portfolio was 43% compared to 39% in 2017. Customers of the Volkswagen Passenger Cars brand in Germany are once again placing more orders for diesel vehicles.

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Carnegie study finds climate impact of particulates varies greatly depending on where the pollution originated

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However, while greenhouse gases cause warming by trapping heat in the atmosphere, some aerosols can have a cooling effect on the climate because the aerosol particles cause more of the sun’s light to be reflected away from the planet. In many cases, the strongest climate effects of aerosols are felt far from where the aerosols are emitted.

Climate 170
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Study finds sustainable aviation fuels show up to 70% reduction in particle mass emission compared to fossil fuel

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The study, which summarizes the results from a ground-based measurement activity conducted in January 2018 as part of the ECLIF2/ND-MAX campaign in Ramstein, Germany, is published in the journal Fuel. A comparison to in-flight emission data showed similar trends at cruise altitudes. during idle and taxi). —Schripp et al.

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3 Oil Majors That Bet Big On Renewables

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An analysis of near-term spending plans on renewables by the biggest oil and gas companies shows that real investments in renewable energy will continue to pale in comparison to capex plans for greenfield fossil fuel projects. Let this sink in: In 2018, Big Oil spent less than 1% of its combined budget on green energy projects.

Oil 418
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California agencies release report charting path to 100% clean electricity; need to triple grid capacity by 2045

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The report is the initial analysis called for in Senate Bill 100 (SB 100, De León, Chapter 312, Statutes of 2018), the state’s policy requiring that renewable and zero-carbon energy resources supply 100% of electric retail sales to customers by 2045. It will be followed with additional analyses of energy reliability and evolving conditions.

Clean 170
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California ARB mods to ZEV regulations for IVMs would result in ~1.9% drop in total ZEV/TZEV units 2018-2025; no impact on air quality requirements

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In addition, although many experts say that the solution to our energy and climate problems is sending the correct price signals to industry and consumers, the transport sector’s behavior is highly inelastic in that it does not change significantly in response to changes in fuel prices, at least in the range that is politically acceptable.

2018 257