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Bob, Wayne Gerdes of CleanMPG achieved about 38 mpg at 69 mph with the Accord HEV while he got about 49 mpg at about the same speed in the Gen 3...
Here are the results of well-to-wheel emissions based on the latest version of Argonne National Laboratory's GREET model (GREET1_2013)......
Hi Bob, That isn't necessarily what's happening. TORNADOES require shear, but you still can have incredibly strong "downbursts" from pulse (as...
The U of M study was just the most recent of studies which have the same conclusion. A few earlier studies... Green Car Congress: Survey Finds...
Can't disagree that diesels require complicated (and expensive!) after-treatment, but there are some conditions (e.g., US06 test duty cycle) under...
No - 6X10^11 particles/km is the current standard for diesels under Euro 5b - Emission Standards: Europe: Cars and Light Trucks.
Then why has the EU proposed to give GDI an ORDER-OF-MAGNITUDE leeway in particle number emissions that diesel engines are currently required to...
I continue to fundamentally disagree with you on this point, GC. DI petrol engines (GDI) are what should be the regulators' radar screen at this...
Based on the EPA "combined" mileage (unrounded values), the relative difference between diesel and gas versions of the same vehicles is almost...
Agree. Large-scale ascent is required for heavy precipitation events. Even an air mass with very high moisture content, very little precipitation...
The full report is available at http://www.dieselforum.org/files/dmfile/20130311_CD_UMTRITCOFinalReport_dd2017.pdf. All current diesels are...
I've had a chance to look over several of the chapters of the full report (AR5). This is what was said about changing distributions of extreme...
Okay, I'll try my best. :) Africa is a source of easterly waves which move off the western coast of Africa into the eastern Atlantic. These are...
ORGANIZED severe wx, e.g., tornadoes, derechos, etc., are primarily driven by shear, i.e., speed and direction of winds above the surface as...
Yes, although other atmospheric conditions are also required, for example weak upper flow, which would be expected in a polar amplification...
I really wish one could express some skepticism with the cAGW orthodoxy without being labeled a "denier". That just shuts off scientific...
I don't know the ambient chemistry of the European cities, but in the U.S., VOCs have been found to be the primary culprits in poor air quality in...
Not any more.
But hydrocarbon emissions come mainly from petrol vehicles... Green Car Congress: Pollution plumes in Paris air are richer in gaseous aromatic...
In what respect is the air quality over there getting worse? Particulates? Ozone?
