Remove Exhaust Remove Fuel Remove Fuel Economy Remove International
article thumbnail

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

Green Car Congress

CVVD optimizes both engine performance and fuel efficiency while reducing emissions. The valve control technology regulates the duration of valve opening and closing according to driving conditions, achieving a 4% boost in performance and a 5% improvement in fuel efficiency. The technology cuts emissions by 12%.

Hyundai 252
article thumbnail

Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 However, he added, the internal goal is “ significantly higher, ” and is targeting the GHG limit.

article thumbnail

Toyota implements Atkinson cycle in non-hybrid ESTEC engine; up to 38% thermal efficiency and improved fuel economy

Green Car Congress

Further, at low loads, the ESTEC engine improves fuel consumption by 11% in the JC08 mode. Improving the vehicle fuel economy is a must due to the climate change and energy issues. 1 and internal EGR.) To address this, at low load, Exhaust VVT is advanced and internal EGR is used. 1 and water-cooled EGR.

article thumbnail

Report: Mazda seeking 30% boost in fuel economy with HCCI SkyActiv 2 engines around 2020

Green Car Congress

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. Higher compression tends to improve fuel economy because they can achieve the same combustion temperature with a leaner mix of fuel.

article thumbnail

ICCT: incremental technology can cut vehicle CO2 by half and increase fuel economy >60% through 2030 with ~5% increase in price

Green Car Congress

l/100 km) in 2016, the The ICCT team assessed increased consumer label fuel economy (as opposed to the regulatory test fuel economy) to 35 mpg (6.71 The resulting trajectory would reduce CO 2 emissions by half and increase fuel economy by more than 60% from 2016 through 2030.

article thumbnail

Stop/start to be standard with V-6 in Jeep Cherokee and I-4 in 2015 Chrysler 200; up to 3% better fuel economy

Green Car Congress

Chrysler Group is offering fuel-saving Engine Stop-Start (ESS) technology as standard equipment on certain models of the award-winning 2015 Jeep Cherokee mid-size SUV and 2015 Chrysler 200 mid-size sedan. ESS accounts for a one-mpg city-cycle fuel-economy gain in the Ram, the most fuel-efficient truck in its segment.

article thumbnail

FEV testing finds Transient Plasma ignition system increases fuel efficiency and decreases emissions

Green Car Congress

liter, direct and port fueled injection, inline 4-cylinder gasoline engine commonly used in the Camry line of vehicles. Results indicate a brake-specific fuel consumption (BSFC) benefit of up to 6% with minor calibration changes, which include a multi-pulse ignition strategy, increased external EGR, and optimized spark timing.

Emissions 243