Remove CO2 Remove Downsizing Remove Fuel Economy 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. They assumed a baseline fuel economy of 21.4 They assumed a baseline fuel economy of 21.4

Climate 150
article thumbnail

Renault 2010 Environment Workshop, Part 1: Combustion Engine Technology and Product Plans

Green Car Congress

Renault’s ongoing downsizing strategy is aimed at reducing the cubic capacity of its engines in order to bring down fuel consumption and CO 2 emissions, without detracting from performance. The downsizing process involved shortening the piston stroke by reducing the size of the crank pin and conrod assembly. Select Engines.

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. Red Herring ).

Plug-in 45
article thumbnail

Perhaps not what you thought 

Electric Auto Association

The Corporate Average Fuel Economy (CAFE) program, implemented under President Barack Obama in 2012, called for annual increases of 5% to the average fuel economy of new vehicles through the 2025 model year. In 2019, fuel economy actually worsened, dropping slightly from 25.1 billion barrels.

EPA 71
article thumbnail

Perhaps not what you thought 

Electric Auto Association

The Corporate Average Fuel Economy (CAFE) program, implemented under President Barack Obama in 2012, called for annual increases of 5% to the average fuel economy of new vehicles through the 2025 model year. In 2019, fuel economy actually worsened, dropping slightly from 25.1 billion barrels.

EPA 52