In spite of a somewhat heavier emission control system, Cummins' 2027 HELM version of X15 will be no heavier than the present product because the HELM block is a fresh design.

Advanced researchers and engine makers say the internal combustion engine’s ability to be more efficient and run on greener fuels means an extended life.

The North American Council for Freight Efficiency produced a confidence report to assist fleet decision-makers in making informed choices on whether to switch to natural gas fuel. 

There’s a synergy among driver comfort, simplicity of maintenance, better fuel economy and fleet operating ratio. Several significant changes in these areas are seen in Volvo’s 2024 VNL.

As a diesel lover, John Baxter expected that driving a Class 8 truck with an electric powertrain to rank between boredom and dreadful. A trip to Gothenburg, Sweden, changed his thinking.

The North American Council for Freight Efficiency coined the term “Messy Middle.” It refers to the fact that there is more than one way to attack the problem of climate change.

Industry leaders have been working to give the basic piston engine an extended life using greener fuels as they allow reduced cost of fuel while at the same time reducing greenhouse gases.

By the middle of next year, Cummins will be offering a full-size truck engine that runs on natural gas, called the X15N.

The Environmental Protection Agency's Clean Trucks Plan, to take effect by 2027, is targeting a 75% reduction in nitrogen oxide.

The recent introduction of the Navistar S13 engine with no EGR cooler and much less reliance on any form of EGR is remarkable.