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UC Riverside study finds emissions benefits for E15 blend in California

Green Car Congress

In a paper published in the journal Fuel , the team reported: No statistically significant fuel effect on nitrogen oxide (NO x ) emissions for E15. Total hydrocarbons (THC), non-methane hydrocarbons (NMHC), and carbon monoxide (CO) showed either marginally or statistically significant reductions for E15. Durbin, Kent C. 2023.128836.

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Scientists call for careful use of time scales, reference dates and statistical approaches in analyzing climate change trends to avoid distortion and hampering of response

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Demonstrating that the use of different time scales, reference dates, and statistical approaches can generate highly disparate results in climate reports, scientists at the University of Alaska Anchorage argue that careful use of these tools is critical for correctly interpreting and reporting climatic trends in Alaska and other polar regions.

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2020 Audi A8 TFSI e plug-in hybrid carries starting price of $94,000

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By comparison, the starting MSRP for a 2020 Audi A8 55 TFSI quattro with automatic transmission is $85,200. The plug-in hybrid receives an MMI display with electric-specific driving screens, including charging information, and additional consumption statistics to help drivers maximize the efficiencies of the hybrid system.

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Actual fuel economy of cars and light trucks: 1966-2019

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However, the starting year of this analysis is 1966 because (1) for 1923 through 1935, fuel-economy information is available only for the entire fleet of all vehicles, and (2) from 1936 through 1965, light trucks were included with other trucks in the relevant statistics.?. Annual statistics from the U.S. Department of Transportation.

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NREL: Untapped potential exists for blending hydropower, floating PV

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For comparison, global final electricity consumption was just over 22,300 terawatt-hours in 2018, the most recent year for which statistics are available, according to the International Energy Agency. terawatt-hours of potential annual generation. Those figures do not include the amount generated from hydropower.

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Actual fuel economy of cars and light trucks: 1966-2017

Green Car Congress

However, the starting year of this analysis is 1966 because (1) for 1923 through 1935, fuel-economy information is available only for the entire fleet of all vehicles, and (2) from 1936 through 1965, light trucks were included with other trucks in the relevant statistics.?. Annual statistics from the U.S. Department of Transportation.

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Those who flew in 2020 had twice the environmental impact of those in 2019

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A detailed discussion of the issues related to the comparison of the energy intensities of flying and driving is presented in a recent report.) All data are from the Bureau of Transportation Statistics , except that the entry for 2020 is an estimate from the Energy Information Administration. certificated air carriers.

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