Remove Carbon Remove Downsizing Remove MPG Remove Pollution
article thumbnail

U Toronto team assess the climate trade-off between reduced CO2 and increased Black Carbon from GDI engines

Green Car Congress

The upside of gasoline direct injection (GDI) engines is widely seen as being improved fuel economy coupled with an increase in specific power (especially with turbocharging), enabling significant downsizing. mpg (10.99 The cO 2 emission factor was calculated assuming a fuel carbon content of 8887 g/gallon. Click to enlarge.

Climate 150
article thumbnail

Citroën introduces first members of new 3-cylinder gasoline engine family; 1.0L and 1.2L PureTech reduce fuel consumption about 25%

Green Car Congress

mpg US) and CO 2 emissions range from 99 to 107 g/km. To achieve these results, PureTech development called for a number of changes, chief among which were: Downsizing. The piston pins, segments and push rods in the timing system feature a low-friction coating (in diamond-like carbon) to keep friction down to a minimum.

Engine 281
article thumbnail

EPAs GHG Standards for Light-Duty Vehicles; Special Credits To Encourage PHEVs, BEVs and FCVs

Green Car Congress

mpg if all improvements came from fuel economy) and 34.1 mpg US (6.9 mpg US (EPA). Final CAFE mpg US (NHTSA). mpg US (EPA). Final CAFE mpg US (NHTSA). mpg US (EPA). mpg US (EPA). Final CAFE mpg US (NHTSA). L/100km) fuel economy level, respectively. Earlier post.). Passenger cars.

EPA 236
article thumbnail

Ricardo and Growth Energy Collaborate On First Vehicle-Based Demonstration of Ricardos Ethanol Boosted Direct Injection (EBDI) Engine Technology

Green Car Congress

Based on test work already carried out, Ricardo estimates that a fuel economy improvement of up to 30% is possible with no loss of power or performance, using a downsized EBDI engine in place of currently available gasoline powertrain technology. Improving Ethanol’s Cost Performance and Carbon Footprint.

Engine 218
article thumbnail

DOT, EPA unveil joint proposal for fuel economy and greenhouse gas emission standards: 49.6 mpg CAFE, 163 g/mile GHG in 2025; flexibilities and incentives

Green Car Congress

The US Environmental Protection Agency (EPA) and the US Department of Transportation (DOT) formally unveiled their joint proposal to set stronger fuel economy and greenhouse gas pollution standards for Model Year 2017-2025 passenger cars and light trucks. mpg US (5.87 mpg in MY 2021. mpg in model year 2025. improvements.

article thumbnail

Main Page - EAA-PHEV

Tony Karrer Delicious EVdriven

utilizing these ideas and instructions in an attempting to enhance national security, reduce gas consumption, vehicle "emissions", your carbon footprint, or smog, you do so at your own risk & peril. Formed in 2002, our efforts for "100+MPG Hybrids" took off when we built PRIUS+ , the worlds first plug-in Prius).

PHEV 49
article thumbnail

How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

The objections they raised for years -- "no one is interested, no one would plug in, the technology is too complex, the benefits are minimal, its just shifting the pollution from the tailpipe to the smokestack, theres no demand for these cars" -- still show up occasionally, but are by and large history. We need to know, is it viable?

Plug-in 45