Fuels and Energy Sources
Diesel fuels

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Power

GM Hydrotec Boss Readies Fuel Cells for Commercial Deployment

Call it a “technology-meets-the-moment” place in the transportation sector’s innovation timeline. After decades of concentrated development work, GM’s fuel-cell...

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Articles
Regulations/Standards

Fuels to Transition the Global Legacy Fleet

Put the promise of mass vehicle electrification and its myriad challenges aside for a moment, and consider: What if most IC-engine vehicle owners don’t switch to EVs as the industry and...

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Articles
Mechanical & Fluid Systems

Caterpillar Unveils New C13D Off-Highway Engine Platform

Caterpillar has launched its new off-highway 13-liter diesel engine platform, the C13D, at CONEXPO 2023 in Las Vegas. Cat states that the C13D was “purpose-built for rugged,...

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Original Equipment
Unmanned Systems

CNH Introduces Battery-Electric, Autonomous-Ready Tractor

CNH Industrial recently introduced what it says is the world’s first autonomous-ready, battery-electric light utility tractor at its Tech Day in Phoenix, Arizona. The New...

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News
Connectivity

Quicker Pathways to Reduce Transportation’s Climate Impact

Current U.S. energy policies are laser-focused on addressing climate change – as they should be. Meanwhile, 2022’s soaring gasoline prices show that U.S. dependence on...

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Technology Report
Energy

The Electrofuels That Reduce Amazon’s Fleet Emissions

Amazon has a goal of having 50% of its shipments being made net-zero carbon by 2030. In 2021, more than 100 million packages were delivered to customers with zero-emissions...

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News
Energy

Time for Hydrogen

After decades of R&D, some false starts, and a smattering of low-volume production vehicles, hydrogen has emerged as a vital enabler for carbon reduction across the transportation sector. In gaseous form, our...

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Editorial
Regulations/Standards

Zeroing in on Zero-Carbon Fuels

COP27, the 2022 United Nations Climate Change Conference that took place in Sharm El-Sheikh, Egypt, over a two-week span in November, helped bring global attention to the need for significant reductions...

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News
Green Design & Manufacturing

New Biodiesel Strains Offer Measurable Gains

Extensive research and development of Hydrotreated Vegetable Oil (HVO) as a renewable and environmentally friendly fuel for diesel engines has been carried out by various OEMs and Tier 1s...

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News
Energy

SAE WCX 2022: All Transportation Modes Targeting Alternative Fuels

Although the auto industry is rushing to electrify, batteries, in their current state of development, aren’t the answer for many modes of transportation, or even many...

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Editorial
Transportation

Alternative Fuels, Propulsion Poised for Growth in U.S. Fleets

Fuel prices are soaring. Not breaking news, I know, yet the almost-daily alerts citing new record highs for gasoline and diesel prices are still unsettling. Consumers and...

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Q&A
Power

Deere Bullish on Biodiesel, Renewable Diesel

Petroleum-based fuels long have been the industry standard for heavy equipment primarily due to the lack of acceptable, cost-effective and reliable alternatives. But with growing interest in...

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Q&A
Energy

Neste Targets Hard-To-Electrify Vehicles for Renewable Diesel

Commercial vehicles run under a wide range of operating conditions and duty cycles – not all are well-suited for battery-electric propulsion, particularly in the near term....

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News
Green Design & Manufacturing

Battery of Issues Surrounds Large-Vehicle Electrification

Electrification has made major inroads in light trucks and compact off-highway machines, but its adoption in long-distance trucking and many large off-highway vehicles remains...

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Technical Innovation
Power

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)...

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Articles
Data Acquisition

Innovation Still Industry's 'Lifeblood' During Pandemic

The coronavirus pandemic has forced people and organizations alike to adapt to a world of social distancing and economic disruption. For SAE International, that’s included...

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Technology Report
Power

Cummins, Tula Test ‘Dynamic’ Cylinder Deactivation for Diesels

Tula Technology has supplied the control software for “dynamic” cylinder deactivation in gasoline engines since 2018, launching in General Motors’ 5.3- and 6.2-L...

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News
Energy

All Options on the Table

The push to trim engine emissions is prompting industry-wide efforts to use substitutes for diesel fuel. Alternative fuels and electrified powertrains are making significant inroads, though design teams for...

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News
Manned Systems

AVIC Subsidiary Continental Aerospace Will Power the Upcoming Diamond DA50, Expands into Electric Propulsion

Continental Aerospace Technologies (Continental) of Mobile Alabama – a subsidiary of Beijing-based Aviation Industry...

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News
Transportation

Gasoline Fuels Growing Number of Commercial Vehicles

Biodiesel may be the top alternative fuel for work truck fleets, according to the 2019 Fleet Purchasing Outlook Survey conducted by the National Truck Equipment Association (NTEA), but...

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News
Energy

Could This Infinitely Variable Compression Mechanism Be the Next Piston Engine Game-Changer?

Whether its for economic incentives or reaching environmental goals, automotive and aerospace engine makers are continually chasing fractions...

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News
Unmanned Systems

New Four-Chamber Rotary Engine Could Supplant Wankel and Piston Engines for UAV Applications

The Wankel rotary engine has been an ideal choice for many owners and operators of small, propeller-driven aircraft. Compared to conventional...

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News
Manufacturing & Prototyping

UAV Turbines to Tackle 200-Hp Class UAV Engines for U.S. Army

With successes in the 50-shp class gas turbine engine class for unmanned aerial vehicles (UAVs), UAV Turbines has reached an agreement with the U.S. Army’s Reliable Advanced...

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News
Power

X Marks the Spot

LiquidPiston Inc., an advanced internal combustion engine (ICE) technology company, has reimagined combustion engines with a new platform that can run on multiple fuels, including diesel, jet fuel, and gasoline. This...

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News
Regulations/Standards

Bad Gas?

It’s often the case with proverbs that many are of uncertain derivation. That’s true of one of my go-to favorites: “May you live in interesting times.”

News
Automotive

Mazda Reaches out to High Schoolers for STEM

The engineering and race professionals from Mazda presented the nuances of science, technology, engineering, and math (STEM) to a group of high school-age students May 27 at Martin Luther King...

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News
Green Design & Manufacturing

GM’s Diesel-Emissions Strategy for 95 G/km and Beyond

The future of diesel engines for passenger vehicles is promising, despite the high cost of exhaust aftertreatment technology. Even though gasoline engines require less...

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News
Power

High-Efficiency Compression-Ignition Engine Technology

Aramco Services Co. (ASC), a wholly owned subsidiary of the Saudi Arabian Oil Co. (Saudi Aramco), Saudi Aramco, and Saudi Aramco’s European subsidiary Aramco Overseas Co. (AOC),...

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Articles
Defense

UPS Devices Keep UAVs in the Air

The simplistic definition of UAV reads like this:

“An unmanned aerial vehicle (UAV), colloquially known as a drone, is an aircraft without a human pilot on board. Its flight is controlled either...

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