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CARB publishes 2020 CI values for electricity as transportation fuel: average 82.92 gCO2e/MJ, up from 2019

Green Car Congress

The California Air Resources Board (CARB) Executive Officer has certified the 2020 annual update to the carbon intensities (CI) of the lookup table pathways for a) California Average Grid Electricity Used as a Transportation Fuel in California and b) Electricity Supplied under the Smart Charging or Smart Electrolysis Provision.

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

Green Car Congress

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 (range of 37.6 —Scully et al. million vehicles on the road. Scully et al.

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Former president of Shell Oil calls for aggressive action on alternative fuels to break oil monopoly on transportation

Green Car Congress

John Hofmeister, former President of Shell Oil Company and founder and CEO of Citizens for Affordable Energy (CFAE), is joining the Fuel Freedom Foundation (FFF) Advisory Board. There will not be enough oil to stay on the path we’re on globally over the short- and medium-, let alone the long-term. We need a competitor for oil.

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New lifecycle analysis of WTW GHG emissions of diesel and gasoline refined in US from Canadian oil sands crude

Green Car Congress

In a new, comprehensive study, a team from Argonne National Laboratory, Stanford University and UC Davis ITS has estimated the well-to-wheels (WTW) GHG emissions of US production of gasoline and diesel sourced from Canadian oil sands. This range can be compared to ∼4.4 g CO 2 e/MJ for US conventional crude oil recovery.

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Argonne study finds BEVs can have lowest scheduled maintenance costs, but highest cost of driving

Green Car Congress

Researchers at Argonne National Laboratory, with colleagues from Lawrence Berkeley, Oak Ridge, and National Renewable Energy labs, and the University of Tennessee, have published a comprehensive analysis of the total cost of ownership (TCO) for 12 sizes of vehicles ranging from compact sedans up to Class 8 tractors with sleeper cabs.

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Oil sands GHG lifecycle study using operating data finds lower emitting oil sands cases outperform higher emitting conventional crude cases; a call for more sophisticated tools and reporting

Green Car Congress

Well-to-wheel (WTW) greenhouse gas emissions for in situ SAGD and surface mining pathways generated employing GHOST/TIAX/ GHGenius combination and comparison with SAGD, mining and conventional crude oil literature pathways (all results are on a HHV basis). 74% of WTW emissions in our oil sands pathways. Credit: ACS, Bergerson et al.

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Average carbon intensity of oil sands production has dropped ~36% in last 40 years; still 12-24% higher than conventional oil CI

Green Car Congress

The carbon intensity (CI) of Alberta oil sands production has significantly decreased over the last 40 years, according to a new study by a team from Stanford University published as an open access paper in the journal Environmental Research Letters. Trends in well-to-wheel pathway-specific CI. Click to enlarge. Englander et al.

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