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NHTSA and FMCSA propose new safety standard requiring automatic emergency braking systems in heavy vehicles

Green Car Congress

The proposed standard would require the technology to work at speeds ranging between low-speed (6 miles per hour) and high-speed (roughly 50 miles per hour) situations. According to NHTSA statistics, there are approximately 60,000 rear-end crashes a year in which the heavy vehicle is the striking vehicle.

Standards 150
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CARB releases results of multi-year E15 study; multiple air quality benefits with slight reduction in fuel economy

Green Car Congress

The twenty light-duty gasoline vehicles included a mixture of technologies, such as gasoline direct injection (GDI), port fuel injection (PFI) as well as PFI+GDI fuel systems that are representative of the current California gasoline fleet. The vehicle test matrix had provisions for five vehicles on each emissions standards category (i.e.,

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Gasoline consumption per capita in 2020 was on par with that in 1965

Green Car Congress

Gasoline consumption per capita was calculated using the population estimates in the ProQuest Statistical Abstract of the United States. Not coincidentally, the first Corporate Average Fuel Economy (CAFE) standards for new cars and light trucks became effective with 1978 model-year vehicles. Consumption per capita.

2020 415
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Update: SAE J2954 wireless charging validation to 11kW, Recommended Practice to enable autonomous vehicle parking and charging in 2017

Green Car Congress

At the SAE 2017 Hybrid & Electric Vehicle Technologies Symposium last week, an overview of the plans for testing to validate power levels up to WPT 3, (11kW) for SAE J2954TM were shown along with a preview of the technology to be standardized in the upcoming Recommended Practice. Earlier post.). 7.7kW) in 2016. —Jesse Schneider.

2017 290
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Study finds PM from biodiesel blends may be 50-80% less toxic per unit PM mass than from petroleum diesel

Green Car Congress

The researchers analyzed samples of PM obtained from light-duty diesel engine transient cycle emission tests with two biodiesel feedstocks—soybean (SOY) and waste vegetable oil (WVO)—blended with ultralow sulfur petrodiesel at five different volume percentages of biodiesel, Bxx (B0, B10, B20, B50, and B100). —Holmén et al.

B0 186
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Harvard study links short-term exposure to PM2.5 with risks of common but rarely studied causes of hospital admissions; substantial economic costs

Green Car Congress

For this study, we wanted to shed further light on the risks of exposure to short-term air pollution by searching for links between such pollution and all diseases that are plausible causes of hospitalizations. billion in “value of statistical life” (a metric used to determine the economic value of lives lost).

Pollution 332
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US plug-in hybrid sales hit a record high in 2023

Baua Electric

of total light-duty vehicle sales in the U.S., The Energy Department statistics were released shortly after a report that General Motors will add plug-in hybrids to its U.S. Last year saw strong sales for EVs as well, which surpassed one million units for the first time. up from 12.9% Some automakers seem to think so.

Plug-in 52