Economy Exhaust Gasoline-Electric 
Green Car Congress
JUNE 20, 2014
liter ESTEC (Economy with Superior Thermal Efficient Combustion) in-line 4-cylinder Gasoline Engine (1NR-FKE). Improving the vehicle fuel economy is a must due to the climate change and energy issues. An electrical Variable Valve Timing system (VVT-iE) is a key element for implementing the Atkinson cycle.
Green Car Congress
MARCH 31, 2014
Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. of Rockledge, Florida is developing a hybrid electric turbocharger for cars and trucks that both reduces fuel consumption and improves drivability by shortening the transient response time (reducing turbo lag) during acceleration. Description.
Green Car Congress
JULY 6, 2010
Also, the list of standard test procedures addressed in SAE J1711 has been expanded to cover all five major test cycle procedures (UDDS, HFEDS, US06, SC03, and Cold FTP) now being used to evaluate vehicle fuel economy. gasoline and Diesel fuel), alcohol-based liquid fuels (e.g., Earlier post.) compressed natural gas).
Green Car Congress
JANUARY 8, 2014
Automotive News reports that Mazda plans a second generation of SkyActiv engines around 2020 that would achieve 30% better fuel economy than the current line of Skyactiv engines. The focus will be on lean burning, and increased compression ratios for the gasoline engines. Earlier post.).
Green Car Congress
AUGUST 29, 2013
Key advances for Gen 3 are in weight reduction, friction reduction, and the internal exhaust cooling system. Improvements contributing to this better fuel economy come from many areas. This is the first implementation of such a system in a turbocharged direct-injection four-cylinder gasoline engine, noted Lemke. liter engine.
Green Car Congress
SEPTEMBER 16, 2020
Its turbocharger with variable turbine geometry makes optimal use of the exhaust gas energy for early and harmonious torque development. This is supplemented by the additional range offered by the reserve gasoline tank with a net usable volume of 9 liters (2.4 The A3 Sportback 30 g-tron 1.5 lb-ft) of torque between 1,400 and 4,000 rpm.
Green Car Congress
MAY 8, 2013
At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. Earlier post.). —Wheeler et al.
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