Powertrains

Companies
Feds go after diesel shops over alleged emissions defeat devices
Several repair shops were recently charged by the U.S. Environmental Protection Agency for allegedly installing or selling illegal “defeat devices” to get around emissions control systems.
September 21, 2022
truck blowing diesel exhaust
Pickup Trucks
Ram pulling the plug on EcoDiesel as all-electric rolls into view
As Ram pivots to all-electric, production on the fuel sipping EcoDiesel will come to an end with the 2023 Ram 1500.
September 13, 2022
Top diesel torque, top mpg and the most range on a single tank of fuel were not enough to keep EcoDiesel around. Production for the 3.0-liter V6 ends in January.
Alternative power
Hyliion Hypertruck ERX getting GE generator with up to 20% gain in fuel efficiency and big emissions reduction
Hyliion CEO Thomas Healy talks about the GE generator with flameless oxidation that will boost MPG and slash emissions in their hybrid Hypertruck ERX.
August 25, 2022
Hyliion Hypertruck ERX
Powertrains
Bezos backed climate group shuns biofuels, Cummins and others push back
Even Jeff Bezos' own efforts at decarbonization at Amazon have come under question following a report from a climate action group that he supports. Cummins, the Coalition for Renewable Natural Gas and others counter the group's criticism of biofuels.
July 20, 2022
Amazon Prime truck highway
Powertrains
World's oldest known Cummins engine fires up once again
The Cummins Heritage Center in Columbus, Indiana provided a surprise look at their oldest engine yet--a 1919 6hp oil burner that served as the company's first production model when it opened its doors that same year. Over 100 years later, it still runs.
June 22, 2022
1919 Cummins world's oldest engine
Alternative power
Alt fuel ACT Expo rolls out the red carpet for fleets
Will increased private and public investments lure more fleets to all-electric trucks and other alt fuel vehicles?
May 11, 2022
Will more fleets will sign up for alt fuel vehicles? If record attendance at this year's ACT Expo is any indication, they might do just that. Of course, tougher regulations coupled with a federal funding increase of roughly 560% may explain the 60% surge in attendance this year over last. As of Tuesday afternoon, registration had climbed to a record 8,300.
Powertrains
What's up with diesel prices?
Real businesspeople understand the economic benefits of becoming the low-cost producer of freight capacity.
May 10, 2022
trucks and fuel pumps
Powertrains
Navistar announces all-new powertrain
Navistar's recently expanded Huntsville Powertrain Manufacturing Plant in Alabama will be home to the truck maker's all-new integrated powertrain.
April 20, 2022
Navistar Huntsville
Powertrains
Achates near-zero-emissions opposed-piston diesel may get axed by cylinder deactivation, electric powertrains
Big investments for all-electric, fuel cell and bolt-on solutions for cutting emissions on existing four-stroke platforms has Achates pushing harder to make their ultra clean, record-setting 10.6-liter diesel an attractive choice for production.
April 20, 2022
Achates Power 10.6-liter near-zero diesel
Powertrains
Propane autogas embraced during record fuel price surge
As the Biden administration promotes EVs and reaches out to other nations for oil during record price hikes at the pump, a fleet operator finds refuge in propane autogas.
March 9, 2022
McAbee Trucking Propane Autogas
Powertrains
Cummins set to acquire Meritor for $3.7 billion
The two companies have entered into a definitive agreement under which Cummins will pay about $3.7 billion to acquire Meritor.
February 22, 2022
Cummins sign
Powertrains
Eaton drops emissions with cylinder deactivation and exhaust management
Eaton reported this week that they've leveraged cylinder deactivation and exhaust thermal management technologies to reduce commercial vehicle emissions.
November 17, 2021
Eaton cuts emissions with cylinder deactivation and exhaust treatment
Powertrains
Cummins set to debut 15-liter natural gas engine
Currently, Cummins Westport's ISX12 G and ISX12N are the largest displacement natural gas engines available, kicking out up to 400 hp and 1450 lb-ft of torque. The segment is otherwise comprised of 6- and 9-liter models.
October 14, 2021
Cummins Westport ISX12G
Powertrains
Cummins, Daimler Truck formally sign joint medium duty engine agreement
Cummins' Euro VII-complaint platform will be used globally, eventually replacing the Detroit DD8 and DD5 engines as available powerplants in North American trucks.
August 5, 2021
box truck unloading
Powertrains
Get powertrain gains through new technology
Cummins and Allison are trusted powertrain icons who recently talked about steps fleets can take to maximize powertrain efficiency during the virtual 2021 Work Truck Show.
March 26, 2021
Cummins engine
Powertrains
Daimler, Cummins partnership puts writing on the wall for DD5, DD8 engines
DTNA will wind down production of its DD5, DD8 engines through medium-duty partnership with Cummins.
February 23, 2021
eM2 medium-duty electric truck
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Top Stories
2023 Ford Super Duty F-350 Lariat
Pickup Trucks
2023 Ford Super Duty gets big boost in diesel power
Highlights for the 2023 Ford Super Duty include a new high-performance diesel option, a new 6.8-liter gas engine, interior and exterior changes and more driver assist features than ever before.
It's hard to get bored with the 2022 GMC Sierra 1500 AT4X which has mastered on- and off-road travel in style.
Pickup Trucks
2022 GMC Sierra AT4X is the whole package
Cummins X15H hydrogen engine on display at the Advanced Clean Transportation Expo this past May in Long Beach, Calif.
Alternative power
Werner aims to buy 500 Cummins hydrogen engines as station options grow
Texas-based Quantix is putting its electric Peterbilt 579s to work in South Carolina and Georgia.
Battery electric
Electric Peterbilt trucks roll out to Southern fleet
Ford F-550 SoCalGas
Hydrogen fuel cell
Ford rolling out fuel cell F-550 utility truck