article thumbnail

GM: new Sierra 5.3L V-8 EcoTec3 highway fuel economy tops Ford EcoBoost V-6

Green Car Congress

V-8 EcoTec3 AFM VVT DI (L83) for Chevrolet Silverado and GMC Sierra. The 2014 GMC Sierra 1500 full-size pickup truck features a new 5.3L 2014 GMC Sierra. EcoTec3 V-8 is one of three more efficient new engines for the Sierra; a 4.3L Sierra also will be available later this year with a new 6.2L Click to enlarge.

Sierra 262
article thumbnail

New GM EcoTec3 engine family for 2014 Silverado and Sierra pickups; direct injection, cylinder deactivation and CVVT

Green Car Congress

V-6 EcoTec3 AFM VVT DI (LV3) for Chevrolet Silverado and GMC Sierra. The newly unveiled 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 pickup trucks will deliver more power, more torque and improved fuel efficiency, partly due to a trio of all-new EcoTec3 engines designed specifically for the needs of full-size truck customers.

Sierra 218
article thumbnail

NASA selects four university teams for aviation projects; eliminating emissions and autonomy research

Green Car Congress

The team will explore using liquid ammonia as fuel for a jet engine and generating electricity from the engine’s exhaust heat, reducing emissions, and saving on fuel. The four teams and their research topics are: University of Central Florida. This is the fifth time a set of teams have been selected to participate in ULI.

Universal 305
article thumbnail

2015 Chevrolet and GMC pickups, SUVs to offer eight-speed transmission with EcoTec3 V-8

Green Car Congress

Chevrolet and GMC have confirmed a new eight-speed automatic transmission will be standard on 2015 Chevrolet Silverado, GMC Sierra and GMC Yukon Denali/Yukon XL Denali models equipped with the 6.2L It is a dual-equal cam phasing system that adjusts camshaft timing at the same rate for both intake and exhaust valves. EcoTec3 V-8.

GMC 210
article thumbnail

7 Maintenance Tips To Extend the Life of Your Diesel Truck

Clean Fleet Report

2020 GMC Sierra Denali 1500 Crew Cab Duramax Diesel. Look for oil on the exhaust manifold, which is another sign that something’s wrong with your turbocharger. You should also inspect the exhaust manifold and wastegate actuator regularly to make sure they aren’t cracked or damaged. Use the Right Oil. billion in 2021.

article thumbnail

Mercedes-Benz to showcase pre-production version of coming GLC F-Cell fuel cell PHEV at IAA

Green Car Congress

The only exhaust gas emitted was water vapor—1800 tonnes of it in all. The road tests also took the test teams to the Sierra Nevada (Spain) and the low mountain ranges of the Schwäbische Alb and the Black Forest in Germany. The Fuel Cell Centre of Competence Nabern east of Stuttgart is playing a crucial role in the GLC F‑CELL.

Mercedes 170
article thumbnail

GM introduces CNG bi-fuel Chevrolet Silverado and GMC Sierra pickups

Green Car Congress

General Motors is introducing compressed natural gas (CNG) bi-fuel versions of the 2013 Chevrolet Silverado and GMC Sierra 2500 HD extended cab pickup trucks. The Silverado and Sierra will be available in standard and long box, with either two- or four-wheel drive. Bi-fuel Chevrolet Silverado. Click to enlarge.

Sierra 291