March 31, 2020

ACEA

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Reformulating engine oils could have limited benefit in reducing CO2 emissions

“Any commitment to reduce CO2 emissions from the 2020 target… can only be met through a rise in the market share of alternative powertrain cars.” This strong statement, from the European Automotive Manufacturers Association (ACEA) as part of a paper entitled “Tackling CO2 Emissions: An Overview,” implies that from 2020 onwards optimisation of the internal combustion engine (ICE) alone is not going to get us there.

October 3, 2017
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The new GM dexos2: It’s complicated

At the UNITI Mineral Oil Technology Congress held in Stuttgart, Germany in April, Thomas Hickl, an engineer for Opel, outlined the evolution of General Motors’ dexos engine oil specification. He noted that lubricants for GM’s new dexos2 specification, which covers diesel engines, will have to pass a low speed stochastic pre-ignition (LSPI) test.
This will be true even though diesel engines don’t experience unpredictable pre-ignition, the hallmark of LSPI, while gasoline engines do. Why, then, does dexos2 even include an LSPI test?

August 1, 2016
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