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EPA GHG Inventory shows US GHG down 1.7% y-o-y in 2019, down 13% from 2005

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The US Environmental Protection Agency (EPA) released its 28 th annual Inventory of US Greenhouse Gas Emissions and Sinks (GHG Inventory), which presents a national-level overview of annual greenhouse gas emissions from 1990 to 2019. CO 2 emissions decreased 2.2% from 2018 to 2019. Total GHG emissions in 2019 were up 1.8% Source: EPA.

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Study suggests current levels of methane leakage would result in numerous decades of more rapid climate change from a shift to natural gas vehicles

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Technology warming potential (TWP) for three sets of natural gas fuel-switching scenarios. (A) A) CNG light-duty cars vs. gasoline cars; (B) CNG heavy-duty vehicles vs. diesel vehicles; and (C) combined-cycle natural gas plants vs. supercritical coal plants using low-CH 4 coal. Source: Alvarez et al. Click to enlarge.

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Hyundai Motor Group, Aramco and KAUST collaborate on new e-fuel for novel combustion system

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Hyundai Motor Group is conducting various R&D activities to minimize greenhouse gas emissions from internal combustion engine (ICE) vehicles during its transition to battery electric vehicles (BEV) and fuel cell electric vehicles (FCEV). The collaboration is expected to create synergies leveraging each participant’s expertise.

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Study finds GHG emissions from corn ethanol now 46% lower than gasoline

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A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. gCO 2 e/MJ) which is 46% lower than the average carbon intensity for neat gasoline.

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PSI team develops web tool for consumers to compare environmental impact of passenger cars in detail

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The system will graph lifecycle impact for a range of specified powertrains, for a large number of impact categories: Climate change [kg CO 2 -eq.]. The top sample above shows climate change impact; the subsequent chart shows human toxicity. Sample results from Carculator. Depletion of fresh water reserves [m 3 ].

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Prometheus CEO outlines tech advances that could make CO2-to-fuels renewable gasoline and jet price-competitive with fossil fuels

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In a commentary in the journal Joule , Rob McGinnis, founder and and CEO of Prometheus , a company that is developing technology to remove carbon dioxide from the air and turn it into fuels, discusses the technology advances that could lead to the potential price-competitiveness of renewable gasoline and jet with fossil fuels.

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BMW i Ventures invests in Prometheus Fuels; CO2 air-capture and conversion to carbon-neutral gasoline

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BMW i Ventures has invested in Prometheus Fuels ( earlier post ), a company removing CO 2 from the air and turning it into zero-net carbon gasoline that it will sell at gas stations, at a price that competes with fossil fuels, starting as early as this year. The effective upgrading of alcohols to gasoline, diesel, and jet fuels.

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