Economy EPA Exhaust Sierra 
Green Car Congress
APRIL 1, 2013
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 EcoTec3 V-8 engine ( earlier post ) equipped with direct injection, cylinder deactivation (AFM) and variable valve timing to achieve EPA estimates of 16 mpg city (14.7 Fuel economy.
Green Car Congress
DECEMBER 13, 2012
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.
Green Car Congress
JULY 18, 2014
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.
Clean Fleet Report
OCTOBER 26, 2022
liter mild hybrid produces 335 hp and has an EPA rating of 20 mpg city/27 highway and 22 combined. Fuel economy numbers reported by Clean Fleet Report are non-scientific and represent the reviewer’s driving experience using the dash gauge computer. Using 91 octane fuel, the 3.0-liter Fun to play with. second range. Premium Interior.
Tony Karrer Delicious EVdriven
JANUARY 28, 2009
The following lists are not exhaustive or fully comprehensive, but we have tried to include a representative list of resources for each category. Sign the petition Protect the Arctic National Wildlife Refuge www.sierraclub.org/arctic/ American Lung Association call for better EPA air pollution standards. Congresswoman Linda T.
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