Power and Propulsion
Engine efficiency
Latest Stories
Editorial Energy
Sunset for the American V8
Technologies transition from dominance to nearly dead at different speeds and for various reasons. That’s particularly true for motive power. Pistons, cams and valves are giving way to anodes, cathodes and...
News Energy
Tula’s DMD Promises Gains in EV Efficiency
Nestled in San Jose, California just south of the San Francisco Bay, the small but mighty team at Tula Technologies continues to develop advancements for optimizing the efficiency of ICE and...
News Energy
Tension and the Electric Takeover
Something happened in September 2022 that can be seen as emblematic of the auto industry’s accelerating transition to electrification: Tesla’s Model Y was Europe’s best-selling vehicle. An EV as...
News Power
Engine Technology a Decade Later
A securities analyst from New York called me recently, to ask about the future of powertrain. Specifically, she wanted my prediction for a timeframe for the demise of both gasoline and diesel IC engines....
News Energy
Light-vehicle Horsepower Hits Historic High in 2021
Full-electric propulsion for the U.S.’s light-vehicle market segments is gaining momentum, but developers of the internal-combustion engine aren’t throwing in the towel just yet....
Briefs Materials
Fatigue Behavior of an Advanced Melt-Infiltrated SIC/SIC Composite with Environmental Barrier Coating at 1200°C in Air and in Steam
SiC fiber-reinforced SiC matrix composites are being evaluated for aircraft engine hot-section components.
Q&A Manned Systems
Advancing the OP Engine on Three Fronts
Global demand for cleaner, more power-dense internal combustion engines (ICE) is expected to continue into the middle of this century, for a variety of vehicle applications and markets. San...
Articles Power
Bigger Processors, Smaller Engines
Engine designers are advancing electronic control systems to eliminate components and generate more power from smaller engines. They also are leveraging networks to integrate transmissions, global...
Q&A Propulsion
Cummins Unveils EPA-Compliant 2021 Heavy-Duty Diesels
Cummins reserved its first virtual press event since the pandemic onset to reveal details of its EPA 2021 emissions-compliant X12 and X15 Performance Series engines. Built upon the...
Articles Energy
An Exhaust Symphony in the Key of C8
Few things in the automotive space are more soul-stirring than the sound of a V8 engine – at wide-open throttle, or top-gear cruising, or at any combination of engine speed and load in between. For...
News Energy
Electric Actuators Can Benefit Heavy-Duty Diesels
As the heavy-duty diesel (HDD) truck world looks to likely future alternative power sources – battery or fuel cell – R&D into improving internal-combustion engine (ICE)...
Technology Report Green Design & Manufacturing
BP’s Nexcel Sealed-Cell Oil System an Alternative for Controlling GHG Emissions
The automotive industry is broadening its spectrum of technology to support the reduction of global greenhouse gases not just via electric drivetrains and...
Articles Power
Many ICE Paths Lead to Reduced Emissions
Despite all the hype about electrification, internal combustion engines (ICEs) are likely to dominate the commercial vehicles market for several years. But these engines will have to advance using...
Articles Energy
Starship Road Trip
Dubbed the Starship Initiative, the collaboration between Shell and AirFlow Truck Co. on the Starship Class 8 concept truck achieved 178.4 ton-mpg for freight ton efficiency (FTE) in a recent cross-country drive, a...
Articles Aerospace
CAM Software Technology Keeps Pace with Aerospace Manufacturing Challenges
Aerospace industry component manufacturing is in a large growth cycle. Advancements to materials and engine efficiency have created clear benefits for replacing a...
Articles Aerospace
Using Sintered Fiber Metal Composites for Aircraft Acoustic Attenuation
Sintered fiber metal composites are used in aircraft as an acoustic media within environmental ducting, inlet and exhaust systems. The material can be engineered to meet...
News Manufacturing & Prototyping
Making Strides in Sustainable Transportation
A material scientist by training working on processing, manufacturing, and characterization development for advanced energy storage systems, Claus Daniel, Ph.D., organized the Lightweighting...
Articles Aerospace
Commercial Programs Are Flying High
Boeing and Airbus can hardly keep up with demand for 150-seat jets, and both have increased their own monthly production rates to well over 40 aircraft, stretching the capacity of the supply chain to the...
Articles Defense
More Electric, Integrated Fuel Systems
Global warming and environmental friendliness considerations have recently been key for multiple global industries. In the commercial aviation industry, reduction of aircraft emissions, including...
Briefs Electronics & Computers
Implementing Interconnected Generation in Future Civil Aircraft
In addition to providing thrust, the engines on conventional civil jet airliners generate power for onboard systems and ancillary loads in the form of pneumatic, hydraulic, and...
Briefs Physical Sciences
Quantitative Analysis of a Hybrid Electric Humvee for Fuel Economy Improvement
The Army has acquired several hybrid platforms to assess the applicability of hybrid technology for military missions. These hybrid platforms include both series...
Top Stories
INSIDERAerospace
Air Force Completes First Magnetic Navigation Flight on C-17 - Mobility...
Technology ReportEnergy
Mazda’s Revived Rotary Engine Starts Production - Mobility Engineering...
INSIDERDefense
Army Launches M1E3 Tank Development, Cancels M1 Abrams Upgrade Program -...
INSIDERAerospace
Air Force Awards JetZero $235 Million to Develop Blended Wing Body Demonstrator...
INSIDERCommunications
Air Force to Buy Archer eVTOL Under New Contracts - Mobility Engineering...
INSIDERDefense
DoD's First Electric Aircraft Charging Station is a BETA Supercharger -...
Webcasts
Software
Leveraging Electronics Digital Twins on AWS to Accelerate...
Defense
Choosing a Silicone for Operation in Harsh Thermal Environments
Sensors/Data Acquisition
A Guide to Unlocking Precision and Efficiency with 3D Scanning...
Electronics & Computers
Introduction to the Integration of Electronics Switching and...
Energy
Miniaturized Solutions for Battery Development
