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

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. gallons per 100 miles to 5.10

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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. gallons per 100 miles to 5.09

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

Green Car Congress

The energy intensity of a transportation mode is calculated by dividing the amount of fuel used by the number of passenger miles traveled and converting the result into a common measure—Btu (British thermal units) per passenger mile traveled. Energy intensities of flying and driving, in Btu per passenger mile.

2019 313
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RAND: Autonomous vehicles cannot be test-driven enough miles to demonstrate their safety; alternative testing methods needed

Green Car Congress

Autonomous vehicles would have to be driven hundreds of millions of miles and, under some scenarios, hundreds of billions of miles to create enough data to clearly demonstrate their safety, according to a new report from RAND, a non-profit research organization. The most autonomous miles any developer has logged are about 1.3

Miles 150
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Teslas using Autopilot are eight times less likely to be in an accident

Teslarati

.” In its 2021 Impact Report released on Friday , Tesla continued its streak of dominance in safety statistics over other Tesla vehicles not utilizing active safety features, and the Total U.S. crashes for every million miles driven in which drivers were using Autopilot technology (Autosteer and active safety features).

Tesla 99
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Study measures the effect of regional change in clouds caused by ships’ emissions; masking GHG warming

Green Car Congress

Pollution from ships creates lines of clouds that can stretch hundreds of miles. The authors compared cloud properties inside the shipping route with an estimate of what those cloud properties would have been in the absence of shipping based on statistics from nearby, unpolluted areas. NASA Earth Observatory. C, or 1.8 ?F,

Emissions 223