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Automotive News & Views What Would It Take for YOU to buy a diesel car?
1503 messages, Last post on Nov 14, 2009 at 1:11 PM
You are in the Automotive News & Views Forum. Your Hosts are steve_ & claires
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Replying to: gagrice (Jan 24, 2009 12:18 pm) As an alreadly known entity, the fleet of (gasser) SUV's took app 35 years to go from less than 2% of the fleet to 12% of the fleet.... Lights, camera, sound, action!!! As an aside, 2% of the passenger vehicle fleet is diesel. Of that % and number, 2%, upwards of 93% are diesel "so called" light trucks. History shows beyond a shadow of a doubt, the policy has been and probably continues to be one of higher consumption.
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Replying to: ruking1 (Jan 24, 2009 12:34 pm) |
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A new set of tools! never liked diesels never will, they stink, literally! Unless your towing, plowing, or any other heavy duty work, no thanks! All my diagnostic tools are for gasoline engines, and I don't see many passenger cars still on the road that tried to go diesel. (vw, nissan)
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Replying to: jkugler (Jan 24, 2009 5:02 pm) |
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Replying to: jkugler (Jan 24, 2009 5:02 pm) Lets compare Gasoline and Diesel engines for a moment... Oil pressure -- SAME Air in... exhaust out -- SAME Cooling system -- SAME Power steering (some are electric) -- SAME AirConditioning -- SAME ABS brakes -- SAME Intake/Exhaust Valves -- SAME Crankshaft -- SAME CamShaft --SAME ThrottleValve -- NONE ON DIESEL IgnitionSystem -- NONE ON DIESEL Gee - it looks as if diesel has LESS stuff on it than gasoline engine.... This is another reason Diesel is more reliable. PS: The lack of throttleValve on Diesel engine is main reason it gets better MPG.... Unlike a gasoline engine which constantly sucking a vacuum against the throttle valve, a diesel engine is allowed to freely breathe as much air as it wants. (This is also why when you let off the throttle of a Diesel, the car barely slows down... no throttleValve to cause a vacuum) |
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Replying to: ruking1 (Jan 24, 2009 9:19 am) "Available in two- or four-wheel drive, Tahoe Hybrid provides the power and capability you expect from a Chevy utility vehicle while offering fuel efficiency you never imagined — an outstanding EPA estimated MPG 21 city, 22 highway for 2WD models and 20 city, 20 highway for 4x4 models. In fact, 2008 Tahoe Hybrid 2WD offers the same city fuel efficiency as a four-cylinder Toyota Camry." "Tahoe Hybrid optimizes efficiency and performance whether you're driving in the city or on the highway thanks to the two-mode hybrid propulsion system. It's this innovative system that allows Tahoe Hybrid to offer up to 50% better city fuel economy the non-hybrid Tahoe."
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Replying to: lilengineerboy (Jan 26, 2009 4:30 am) While the Tahoe hybrid may offer a slight improvement over the non hybrid. It is in no way worth the higher price. GM could have had a real hit by putting a 6 cylinder diesel into the Tahoe class SUV. They could have easily made 25 MPG highway and not neutered the vehicle for towing. I got as high as 22 MPG on the highway with my old GMC hybrid PU truck. No thanks to the hybrid. In town it was the same old 15-16 MPG as all the other trucks I have owned. The Tahoe with 5.3L V8 gets 20 MPG on the highway and will tow 2500 lbs more than the hybrid. So that is only a 10% improvement over the non hybrid Tahoe. I think that all the Domestics and most of the Asians have missed the mark on large SUV power. They need to look at the German offerings to see where true economy resides. Within the next few months, VW and Audi will join BMW and Mercedes with 6 cylinder diesels that will blow the socks off anything offered in the USA. The BMW X5 diesel does the 0-60 MPH in 6.5 seconds. Try keeping up with any of the gas guzzling GM Hybrid SUVs. Then knock out 26-30 MPG on the highway. |
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Americans Owe Five Months of Their Lives to Cleaner Air Let's not hammer the guvmint for wanting clean diesels. It helps us to live longer. Are you a city dweller? The cleaner air of this "going green" era may actually be increasing your lifespan. A new study by researchers at Brigham Young University and Harvard School of Public Health shows that average life expectancy in 51 U.S. cities increased nearly three years over recent decades, and approximately five months of that increase came thanks to cleaner air. "Such a significant increase in life expectancy attributable to reducing air pollution is remarkable," said C. Arden Pope III, a BYU epidemiologist and lead author on the study in the Jan. 22 issue of the New England Journal of Medicine. "We find that we're getting a substantial return on our investments in improving our air quality. Not only are we getting cleaner air that improves our environment, but it is improving our public health." The research matched two sets of data from 51 cities across the nation: changes in air pollution between about 1980 and about 2000; and residents' life expectancies during those years. The scientists applied advanced statistical models to account for other factors that could affect average life spans, such as changes in population, income, education, migration, demographics and cigarette smoking. In cities that had previously been the most polluted and cleaned up the most, the cleaner air added approximately 10 months to the average resident's life. On average, Americans were living 2.72 years longer at the end of the two-decade study period; up to five months, or 15 percent, of that increase came because of reduced air pollution.
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Replying to: larsb (Jan 26, 2009 7:08 am) And that makes the same guvmint social programs less sustainable. We are living too long in retirement as it is. Not sure what that all has to do with wanting a clean diesel that saves fossil fuel for future generations. Life is a compromise. |
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Dynas, "GM and the Diesel-Like Gasoline Engine" #21, 27 Jan 2009 12:50 am
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