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Study finds propane school buses significantly decrease NOx emissions compared to diesel

Green Car Congress

The study was conducted in 2018 by West Virginia University’s Center of Alternatives Fuels, Engines, and Emissions (CAFEE). West Virginia University’s Center for Alternative Fuels Engines and Emissions (CAFEE) completed two types of tests at different times of the year during 2018 on four Blue Bird school buses.

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EPA and California ARB charge Volkswagen with using software defeat device to circumvent NOx testing in 4-cylinder 2.0L diesels

Green Car Congress

As described in the NOV, software installed in the electronic control module (ECM) on the affected vehicles detects when the car is undergoing official emissions testing. The alleged violations do not present a safety hazard; the cars remain legal to drive and resell. EPA call this software “the switch”. —EPA NOV.

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Chilled Ammonia Pilot Project Captures 90% of CO2

Green Car Congress

A pilot project by We Energies, Alstom and The Electric Power Research Institute (EPRI) testing an Alstom advanced chilled ammonia process ( earlier post ) has demonstrated more than 90% capture of carbon dioxide from the flue stream of a coal-fueled power plant in Wisconsin (the Pleasant Prairie Carbon Capture Pilot Plant ).

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Volkswagen AG agrees to plead guilty and pay $4.3B in criminal and civil penalties; 6 execs and employees indicted

Green Car Congress

Starting with the first model year 2009 of VW’s new “clean diesel” engine through model year 2016, Dorenkamp, Neusser, Hadler and their co-conspirators installed, or caused to be installed, the defeat device software into the vehicles imported and sold in the United States.