GM Authority

GM Working On New V8 Engine Cylinder Deactivation System

GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...
The Republic

Cummins partners with Liberty Energy on first natural gas variable speed, large displacement engine

COLUMBUS, Ind. — Cummins Inc. (NYSE: CMI) and Liberty Energy Inc. (NYSE: LBRT) (“Liberty”) today announced that the industry’s first natural gas variable speed, large displacement engine to power ...
AUTOPOST on MSN

China just built a 4.0-liter V8—and it’s not backing down anytime soon

Great Wall Motor (GWM) made waves at CES 2026 in Las Vegas by unveiling its in-house developed 4.0-liter V8 engine. In a ...
Business Wire

Top 3 Emerging Trends Impacting the Global Automotive Variable Displacement Engine Market From 2017-2021: Technavio

LONDON--(BUSINESS WIRE)--Technavio’s latest report on the global automotive variable displacement engine market provides an analysis of the most important trends expected to impact the market outlook ...
Business Wire

Cummins and Liberty Energy Partner to Develop and Deploy Industry-First Variable Speed, Large Displacement Natural Gas Engine Powered Hydraulic Fracturing System

COLUMBUS, Ind. & DENVER, Colo.--(BUSINESS WIRE)--Cummins Inc. (NYSE: CMI) and Liberty Energy Inc. (NYSE: LBRT) (“Liberty”) today announced that the industry’s first natural gas variable speed, large ...