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 In 2015, Delphi also took a stake in the Silicon Valley-based company. Earlier post.) Earlier post.).

Fuel Economy 150

Fuel Economy Economy GM GMC 150

Green Car Congress

DECEMBER 16, 2020

The result is that the engine dynamically fires the optimal number of cylinders to maximize fuel economy while maintaining a smooth ride with commercial levels of noise and vibration. Because each combustion event is selected to allow optimal efficiency, DSF reduces fuel and CO 2 , and for diesel applications, NO x emissions.

Yukon 186

Yukon Vehicles Escalade Sierra 186

Green Car Congress

AUGUST 8, 2012

The GMC-brand vehicles include Sierra, Yukon and Savana vans. The company soon expects to receive additional certifications for Ford, GM and Dodge vehicles. Icom’s JTG II system is now available for more than 400 vehicle platforms, the most of any liquid-injection system in the US market.

EPA 236

EPA GM Yukon Tahoe 236

Clean Fleet Report

MAY 22, 2021

According to dozens of automotive story headlines, the internal combustion engine, running on gasoline or diesel, is dead or dying as customers, auto companies and investors flock to electric powertrains. Cummins and Tula Announce Tests Validating Reductions. The Test Procedures.

Diesel 93

Diesel Emissions Fuel Economy Yukon 93