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Study finds engines emit exhaust nanoparticles even when not fueled during engine braking

Green Car Congress

Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The exhaust sample was taken from the exhaust manifold. The exhaust sample was taken from the exhaust manifold.

Exhaust 319
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Chevron introduces new category of heavy-duty motor oil for severe duty applications; improved fuel economy

Green Car Congress

division, maker of the Delo brand of heavy duty engine oils, lubricants and coolants, unveiled a new category of heavy duty motor oil designed to address the growth of severe duty applications in on- and off-highway markets. A critical part of this process is to find an engine oil which is not just heavy duty, but severe duty.

Chevron 210
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DOE awards $17M to FY 2014 SBIR Phase II projects; includes Si/graphene anodes, motor windings, exhaust treatments

Green Car Congress

Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. By the end of Phase II, Mainstream plans to demonstrate a production-ready prototype that exceeds DOE targets for fuel economy, operating range, and cost. NO x Sensor for Diesel Engine Emissions Systems. Lead organization. Description.

Exhaust 261
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Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

Green Car Congress

The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. liter engine with an aluminum block, head and oil pan, a magnesium valve cover and an engine-mounted emissions control system. Test cycle fuel economy (mpg). ATLAS target.

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MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

Green Car Congress

The transportation sector was responsible for over 7 million tons of NO x emissions in the US in 2014, with 50% of this sector’s NO x attributed to heavy-duty on- and off-road vehicles and equipment. CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. Source of data: US EPA (2019).

Emissions 291
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BMW Accused of Emissions Cheating, Does Anyone Really Care?

The Truth About Cars

Regulators in Germany have opened an investigation into alleged diesel exhaust rule circumvention on the part of BMW. Claims have been made that the automaker used an illegal defeat device on select models to achieve lower tailpipe emissions during testing. liter diesel motor contain software designed to skirt emission regulations.

BMW 105
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Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

Green Car Congress

In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter Modification to the engine block to allow oil routing to each of the lost-motion lifters. mpg at V8 mode.