article thumbnail

NASA Glenn develops automated flywheel pulse-and-glide system; improving fuel economy up to 40-100%

Green Car Congress

Innovators at NASA’s Glenn Research Center have developed an automated pulse-and-glide technique using a flywheel energy storage system for on-road vehicles; the technology, which NASA Glenn says can improve fuel economy over existing internal combustion or battery hybrid systems by 40-100%, is available for licensing.

article thumbnail

Oak Ridge-GM prototype low-viscosity ionic liquid-additized engine oil delivers 2% fuel economy improvement over 5W-30

Green Car Congress

A team from Oak Ridge National Laboratory and General Motors, led by ORNL researcher Dr. Jun Qu, has developed a new group of ionic liquids as lubricant additives that could help improve the energy efficiency of cars and trucks. This breakthrough ionic lubricant technology could potentially save the US tens of million barrels of oil annually.

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

Hyundai Motor Group develops world first active shift control for hybrids

Green Car Congress

Hyundai Motor Group has developed the world’s first Active Shift Control (ASC) transmission technology. ASC applies new control logic software to the Hybrid Control Unit (HCU), which then controls the electric motor to align the rotational speeds of the engine and transmission to reduce gear shift time by 30%.

Hyundai 294
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. The innovation was revealed at Hyundai Motorstudio Goyang on Wednesday alongside the Smartstream G1.6

article thumbnail

Stellantis Hurricane twin-turbo I-6 cuts emissions, increases fuel economy and is more powerful

Green Car Congress

liter, twin-turbo, inline, six-cylinder engine, named Hurricane, that delivers better fuel economy and fewer emissions than larger engines while at the same time generates more horsepower and torque than many competitors’ naturally aspirated V-8 and boosted six-cylinder power plants. 1 compression ratio and uses 91 octane premium fuel.

article thumbnail

EPA confirms 249-mile range for Volkswagen ID.4 AWD Pro electric SUV

Green Car Congress

Volkswagen of America announced another round of fuel economy figures for the 2021 ID.4 The EPA-estimated fuel economy for ID.4 The EPA-estimated fuel economy for the AWD Pro S is 98 MPGe in city driving; 88 MPGe in highway driving, and 93 MPGe in combined city/highway driving. 4 electric SUV. The AWD ID.4

EPA 418