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Hyundai Motor Group unveils CVVD engine technology; +4% performance, +5% fuel economy, -12% emissions

Green Car Congress

Hyundai Motor Group has developed the first Continuously Variable Valve Duration (CVVD) technology to feature in future Hyundai and Kia vehicles. CVVD optimizes both engine performance and fuel efficiency while reducing emissions. CVVD optimizes both engine performance and fuel efficiency while reducing emissions.

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

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Vehicle technologies span a range from new Si/graphene Li-ion anode materials and composites for motor windings to diesel aftertreatment and advanced lubricants. Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. NO x Sensor for Diesel Engine Emissions Systems. Lead organization. Description.

Exhaust 261
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New Delphi Technologies 500+ bar GDi system cuts gasoline particulate emissions by up to 50%, reduces fuel consumption

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In a paper presented at the 2019 Vienna Motor Symposium this week, Delphi Technologies will unveil a new 500+ bar GDi system that can reduce particulate emissions by up to 50% compared to state-of-the-art 350 bar system without expensive engine design modifications. Delphi 500+ bar GDi pump. —Walter Piock.

Emissions 257
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Nevada launches “Clean Cars Nevada” effort; adopting California LEV and ZEV

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Nevada Governor Steve Sisolak announced the “ Clean Cars Nevada ” initiative, which will evaluate the adoption of new regulations to provide Nevadans with more choices for low and zero emission electric passenger cars and trucks at dealerships throughout the state beginning in 2024.

Nevada 389
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Study explores long-term trends in motor vehicle emissions in US urban areas; targeting high-emitters

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A study of motor vehicle emissions by researchers at UC Berkeley found that running CO and evaporative and tailpipe NMHC emissions from gasoline-powered vehicles in three major US urban centers (NY, LA and Houston) have decreased by almost an order of magnitude over the last twenty years, despite increases in fuel use.

Emissions 247
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MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

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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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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. Improved fuel economy over SAE 15W-40 conventional oils. Chevron Products Company, a Chevron USA Inc.

Chevron 210