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2017-2023 Chevy Bolt EV recalled over fire concern, again

Green Car Reports

GM is voluntarily recalling certain 2017-2023 model year Chevrolet Bolt EV vehicles due to rare instances of front seat belt pretensioner exhaust gases coming. Some Chevy Bolt EV models are once again being recalled over a potential issue that can lead to a vehicle fire.

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Researchers develop effective exhaust catalyst for lower temperature exhaust

Green Car Congress

To improve fuel efficiency, advanced combustion engines are being designed to minimize the amount of waste heat in the exhaust. As a result, future generations of exhaust after-treatment catalysts must perform at temperatures that are 100 °C lower than current catalysts. —Nie et al. Resources.

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Volkswagen customers in Germany ordering more diesel vehicles; share of 43% in 2018, vs. 39% in 2017

Green Car Congress

In 2018, the share of incoming orders for vehicles equipped with the latest diesel technology as a proportion of the overall vehicle portfolio was 43% compared to 39% in 2017. Demand for diesel cars was particularly strong among private customers, where the share almost doubled from 15% in 2017 to 27% last year.

2017 255
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Researchers developing free-piston linear generator for exhaust waste heat recovery

Green Car Congress

Researchers in China have developed a novel free-piston linear generator (FPLG) to recover exhaust waste heat efficiently from a vehicle engine. Therefore, it is necessary to recover exhaust energy of vehicle engine, and many strategies and methods have been adopted to reduce the energy waste and improve the fuel utilization efficiency.

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UK ONS report finds significant challenge remains to reduce road transport emissions; sector GHG emissions up 6% from 1990-2017

Green Car Congress

A new report by the UK’s Office for National Statistics (ONS) finds that greenhouse gas (GHG) emissions from road transport in the UK rose by 6% from 1990 to 2017. Total fuel used for road transport in the UK remained relatively stable from 1990 to 2017 as the fuel efficiency of newer vehicles has improved.

2017 191
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Researchers show mechanism by which diesel exhaust particles trigger respiratory “flare-ups”

Green Car Congress

Researchers at Imperial College London, working with colleagues from King’s College London and University of British Columbia, have demonstrated a mechanism by which diesel exhaust particles directly affect the lungs to initiate symptoms such as a tightening of the airways and cough. McGilvery, Sheng Hu, Milo SP. Shaffer, Sara J.

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Porsche unveils 2017 version of 919 Hybrid Le Mans prototype

Green Car Congress

The 2017 model of the Porsche 919 Hybrid deploys a range of new innovations, particularly in the vehicle’s aerodynamics, the chassis and the combustion engine. Team Principal Andreas Seidl, who continues to serve as acting technical director, said that for the 2017 season, 60 to 70 percent of the vehicle is newly developed.

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