article thumbnail

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.

Hyundai 252
article thumbnail

Future Fuel Strategies: 40+ countries developing light-duty vehicle fuel economy standards

Green Car Congress

Fuels market analyst Tammy Klein notes that more than 40 countries are developing light-duty vehicle fuel economy standards. Ten years ago, only four governments 10 years ago had introduced mandatory GHG emission and/or fuel economy standards: China, Japan, South Korea, and the United States.

article thumbnail

Tesla had lowest tailpipe CO2 emissions & highest fuel economy in 2021 EPA Auto Trends report finds

Teslarati

Tesla had the lowest tailpipe CO2 emissions for 2021, a new report published by the U.S. The EPA released its annual Automotive Trends report, and findings reveal that Tesla is leading the way with the lowest tailpipe CO2 emissions and the highest fuel economy of all large manufacturers.

article thumbnail

DOE: Life cycle GHG emissions for 2020 electric small SUV were half those of a conventional gasoline small SUV

Green Car Congress

C2G emissions are a sum of WTW emissions and emissions associated with vehicle manufacturing. Using current technologies, all evaluated biofuel, battery electric, and hydrogen fuel cell vehicle pathways offer significant C2G GHG emissions reduction compared to the current gasoline internal combustion engine vehicle.

article thumbnail

Hyundai Motor Group, Aramco and KAUST collaborate on new e-fuel for novel combustion system

Green Car Congress

Hyundai Motor Group will collaborate with the Saudi Arabian Oil Company (Aramco) and King Abdullah University of Science and Technology (KAUST) jointly to research and develop an advanced fuel for an ultra lean-burn, spark-ignition engine that aims to lower the overall carbon dioxide emissions of a vehicle.

Hyundai 448
article thumbnail

Report: GM and Stellantis paid record fuel economy fines

Green Car Reports

General Motors and Stellantis paid a combined $363 million in penalties for failing to meet U.S. Corporate Average Fuel Economy (CAFE) requirements for recent model years, Reuters reported Friday. million paid by Stellantis for 2018 and 2019 model-year fuel economy shortfalls and $128.2 million for GM covering.

article thumbnail

General Motors plans to be carbon-neutral by 2040; eliminate LDV tailpipe emissions by 2035

Green Car Congress

In addition to GM’s carbon goals, the company worked with the Environmental Defense Fund to develop a shared vision of an all-electric future and an aspiration to eliminate tailpipe emissions from new light-duty vehicles by 2035. The use of GM’s products accounts for 75% of carbon emissions related to this commitment. Electrification.