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It's been reported that EPA has scrutinized vehicles, especially diesel vehicles, that have been certified in the U.S. much more closely since the...
I think you're right, Bob. The reason I didn't compare the 2016 models is that the Prius is LEV3 certified and the 328d is still LEV2 certified....
It mentions that EPA uses GREET version 1.8. The most recent version is GREET_2015. Upstream ("well-to-pump") emissions are usually reported per...
I've never bashed hybrids or any other technology for that matter. How will diesel compete? From an environmental perspective? Post...
Thank you. There seems to be contempt by some for any diesel owners though, VW or not. The current-model BMW diesels are demonstrably low...
But that tech does achieve low emissions, VW not withstanding. Here is a comparison of EPA in-use testing... Emission (g/mi)|2015 BMW...
The point I was trying to make there is that upstream emissions of ULSD are lower than upstream emissions of gasoline, which more than offsets the...
Gasoline engines have been shown to produce far higher particle emissions at start up than a diesel with DPF - up to 8000 time more for GDI, which...
Actually, those sales figures were for the month of December, not for the entire year. The entire year (2015) according to Hybridcars... BMW...
That's not universally true now. Several of BMW's U.S.-spec diesel vehicles effectively meet the SULEV emissions standard, even though they're...
There are other regulated emissions which need to be considered though, as that Which?Car article highlights. CO, THC and PM/PN are regulated...
For what it's worth, Argonne National Laboratory uses NOx emission factor of 0.1202 g/mile for model year 2016 gasoline cars, and 0.2333 g/mile...
I'm just suggesting that there are significant differences between current diesel technology and old diesel technology, and conflating the two...
That's not my experience. I participated in many private-public collaborative research projects that don't have a pre-determined outcome in mind....
The ACES Phase 3 report actually does address the non-cancer long-term health impacts of diesel emissions. The full report is available at...
Study of Lifetime Animal Exposure to New Technology Diesel Engine Exhaust Finds No Lung Cancer
I thought GM had already announced a new 1.6 liter diesel for the 2017 Cruze (GM Eyed U.S. From Inception of ‘Whisper Diesel’ | Technology content...
There's apparently a configuration of combined LNT and SCR that doesn't require DEF -...
There's also the US06 and SC03 Supplemental FTP test cycles.What's interesting is that U.S.-spec TDIs would have to have at least four different...
It should be noted that three diesel vehicles have been emissions certified by EPA and CARB since EPA issued the NOV to VW in September. All of...
