article thumbnail

EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

Green Car Congress

in August and September 2015—the highest share in more than a decade, according to data from the US Energy Information Administration (EIA). Energy Information Administration, Prime Supplier Sales Report. One significant trend is engine downsizing coupled with turbocharging. Earlier post , earlier post , earlier post.).

article thumbnail

Ford to bring 20 new engines and transmissions to China and improve fleet fuel economy by more than 20% by 2015; producing the new 1.0L EcoBoost in China

Green Car Congress

Utilizing technologies such as turbocharging, direct injection, twin independent variable camshaft timing (Ti-VCT) and six-speed transmissions, the upgraded powertrain portfolio will deliver more than 20% in fuel economy improvement to Ford’s passenger vehicle fleet in China by 2015 while reducing tailpipe carbon dioxide emissions by 20%.

article thumbnail

New Volkswagen Polo BlueGT with cylinder deactivation offers gasoline engine fuel economy of up to 52 mpg US

Green Car Congress

This combination of efficiency and dynamic performance is enabled by the systematic interplay of ACT, downsizing (reduced engine displacement plus direct injection and charging) and BlueMotion Technology (Stop/Start system, battery regeneration). With a top speed of 210 km/h (130 mph), the car accelerates to 100 km/h in 7.9

MPG 257
article thumbnail

Co-Optima releases capstone report on first 4 years of work

Green Car Congress

Co-Optima estimations indicate that significant fuel economy improvements are possible with improvements to RON, S, and HOV. The report highlights researchers’ answers to three vital questions: What fuels do engines want? compression ratio, extent of downsizing, etc.). Source: Co-Optima capstone report.

article thumbnail

ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

Green Car Congress

The ICCT team—John German and Aaron Isenstadt—concluded that diesels have and will retain two significant advantages over gasoline engines: significantly better fuel economy and cargo hauling and towing ability. Meeting the 2025 standard will require an average improvement in fuel economy of about 4.1%

Diesel 186
article thumbnail

Federal Mogul develops advanced aluminum piston for high-performance light-duty diesel engines

Green Car Congress

downsized diesel engines with improved fuel economy and CO 2 emissions. Federal-Mogul's 2D ultrasonic inspection technique enables high performance pistons for diesel downsizing. detailed information produced by the non-destructive test also ensures consistent quality in the finished high-precision components, he said.

Diesel 271
article thumbnail

UCS analysis finds Hyundai-Kia with best sales-weighted new vehicle environmental performance in US in 2013

Green Car Congress

To determine GHG emissions, UCS considered the fuel economy, fuel type, and sales volume of each type of vehicle sold by each automaker in the 2013 model year (MY2013). Despite this progress, UCS noted, Ford, General Motors, and Chrysler still have higher than average new fleet smog-forming and GHG emissions. Methodology.

2013 299