Green Car Congress
JULY 14, 2016
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. A significant fraction of the GDI PM 2.5
Green Car Congress
JUNE 7, 2010
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.
Green Car Congress
JANUARY 17, 2011
It is a high octane fuel with combustion characteristics that allow engines specifically designed for methanol fuel to match the best efficiencies of diesels while meeting current pollutant emission regulations. A bridging option is to use methanol derived from natural gas, with a CO2 intensity that is no worse than conventional fuels.
Green Cars News
MAY 24, 2009
President Barack Obama’s national fuel efficiency standards in the USA have come in for criticism in The Wall Street Journal where a columnist points out that there could be severe costs in terms of urban air pollution and human life. To read the article in full, click here.
Green Cars News
JUNE 16, 2009
It directly controls the air thanks to intake engine valves without using the throttle, and therefore helps reduce both fuel consumption and pollutant emissions. The MultiAir system, which was introduced at the Geneva Motor Show last year, is seen as a versatile technology that can be applied to all petrol engines.
Green Car Congress
NOVEMBER 22, 2016
It is important that the European Commission not only set new car CO2 targets for 2025 and 2030 but also limit the gap between laboratory and real-world levels by defining an on-road conformity factor for CO2, as it has already done for air pollutants.
Tony Karrer Delicious EVdriven
JANUARY 28, 2009
They use cheap, clean, and domestic electricity for short trips and daily commutes, displacing or eliminating oil consumption and CO2 pollution. PHEV - These vehicles combine the advantages of both HEV and EV vehicles. Whats all the fuss about "plugging in", what difference does it make?
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