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New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

Green Car Congress

In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). As a result, distance-specific mass and number emissions can be derived, which can then be compared to equivalent tire metrics.

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Daimler balks at use of low GWP R-1234yf refrigerant, citing new internal safety findings; wants to continue using R-134a

Green Car Congress

Daimler announced that findings from a new internal investigation have raised questions on the safe usage of R-1234yf as a replacement refrigerant in mobile air conditioning (MAC) systems. This was determined by numerous laboratory and crash tests carried out by international vehicle manufacturers and independent institutions.

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Valeo acquires electric supercharger business from Controlled Power

Green Car Congress

Unlike exhaust-driven turbochargers, electric superchargers are driven by an electric motor. Highly efficient at low engine revolutions, electric superchargers make it possible to downsize engines. CPT was advised on the transaction by Turquoise International (corporate finance) and Matthew Arnold Baldwin (legal & tax).

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US charges Audi manager with conspiracy to cheat US emissions tests; sacrificing NOx control for a sound system

Green Car Congress

Pamio was formerly head of Thermodynamics within Audi’s Diesel Engine Development Department in Neckarsulm, Germany. The complaint cited a cooperating witness (CW1)—an Audi employee who works in Audi’s Diesel Engine Development Department—as well as contemporaneous documentation in the Statement of Probable Cause.

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Global MRV introduces first permanently embedded Micro PEMS for continuous onboard emissions analysis

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Called Firefly, the PEMS provides continuous analysis of diesel or internal combustion engine emissions. Firefly collects and allows for the combined analysis of engine, GPS and emissions data; the unit is currently being tested in on-road vehicles and will be available to the market at the end of 2016.

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Mercedes-Benz launches new E-Class; new engines, PHEV, driver assistance systems; DRIVE PILOT

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Mercedes-Benz has launched the new tenth-generation E-Class, introduced at the North American International Auto Show (NAIAS) this January. The new generation features technology innovations in a number of areas, including driver assistance and powertrains, with new efficient engines and a plug-in hybrid version. Earlier post.)

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ICCT study concludes no technical barriers to use of higher blends of ethanol

Green Car Congress

The consumption scenarios are technically achievable but do not reflect significant barriers such as cost, regulation, legality, and consumer acceptance. A team at the International Council on Clean Transportation (ICCT) has released a paper assessing technical barriers to the use of higher blends of ethanol. Source: ICCT.

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