Green Car Congress
APRIL 25, 2016
In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter Meaning, DSF reduces fuel consumption by 14-18% over V8. liter V8 by operating using Dynamic Skip Fire.
Green Car Congress
AUGUST 8, 2012
Icom North America, a developer and manufacturer of liquid-injection propane (autogas) systems for commercial and consumer vehicles, has received 17 new US Environmental Protection Agency (EPA) certifications for its patented JTG II Propane Liquid Injection bi-fuel systems. The GMC-brand vehicles include Sierra, Yukon and Savana vans.
Green Car Congress
SEPTEMBER 24, 2012
General Motors Research & Development developed an aluminum-to-aluminum welding technology expected to enable more use of the lightweight metal on future vehicles, which can help improve fuel economy and driving performance. —Blair Carlson, GM manufacturing systems research lab group manager.
The Truth About Cars
JUNE 9, 2023
But that’s the point, as the manufacturer was clearly trying to maximize interior volume without sacrificing cargo. The infiniti QX80 and GMC Yukon are a little too big, while something like the Acura MDX is a little too small. liter V6 gasoline engine for a very agreeable 406 horsepower and 30 mpg combined fuel economy.
Clean Fleet Report
MAY 22, 2021
A new technology may take the already quite clean (especially compared with engines of just a little more than a decade ago) engines to a level that reduces smog-producing emissions while increasing fuel economy and yet not losing any performance. A workhorse diesel gets cleaner and more efficient. The Test Procedures.
Green Car Congress
OCTOBER 25, 2018
Cadillac is the worst-rated domestic manufacturer and ranks near the very bottom at 28. Just as we’ve seen with many other manufacturers, major changes and updates can cause reliability to slide. GMC inches up one spot to number 25 due to average or above reliability for the Terrain, Yukon, and Yukon XL.
Green Car Congress
JANUARY 28, 2010
Car buyers shouldn’t be forced to buy high-end bells and whistles when fuel economy and reducing emissions are their top priority. But muscle hybrids, such as the GMC Yukon Hybrid and Lexus LS 600h L, which emphasize power over increased mileage and reduced emissions, have much lower hybrid value, according to the group.
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