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News
Power

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...

Technical Innovation
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...

News
Manned Systems

Geopolitics: The Other Existential Threat

As I write this on Valentine’s Day, 105 Russian army battalions backed by over 500 tactical aircraft and 40 warships are poised for a blitzkrieg-style invasion of Ukraine. I don’t think...

Application Briefs
Wearables

Sensing Hazardous Gases Can Save Lives

Pellistor/Catalytic Bead (CB) sensors can respond to flammable gases such as hydrogen, oxygen, hydrogen sulfide, methane, butane, propane, and carbon monoxide.

News
Green Design & Manufacturing

Off-Highway Emissions Set to Get Stricter

Emissions regulators currently are largely focused on on-highway NOx and CO2 reductions, according to Dr. Mihai Dorobantu, director of Technology Planning and Government Affairs for Eaton...

News
Regulations/Standards

Global Emissions Regs Demand Differing Engine Strategies

Toxic tailpipe emissions and greenhouse gases (GHG) impact all nations, yet there is no global consensus on how to prioritize truck-engine emissions strategies. Emissions...

Briefs
Test & Measurement

Carbon-Based Air Quality Sensor

This affordable, scalable sensor could be a vital tool in the fight against air pollution and its associated health risks.

Briefs
Energy

Hybrid-Electric Plane Concept Could Reduce Air Pollution

The proposed design could reduce nitrogen oxide emissions by 95 percent.

News
Power

Propulsion Tech Tops SAE WCX 2021 Papers and Presentations

The technologies that literally make the world’s wheels go round – the latest combustion systems and battery chemistries, electric machines, drivelines, fuels and more –...

Briefs
Wearables

Wearable, Stretchable Gas Sensor

The stretchable sensor has applications in environmental monitoring and healthcare.

Briefs
Photonics/Optics

Laser Spark Distribution and Ignition System

Traditional spark plugs are replaced by an optical pumping source.

News
Test & Measurement

Integrating Ultra-Low NOx Technology Presents Challenges

Ultra-low NOx regulations proposed by the California Air Resourced Board (CARB) call for 0.05 g/hp-hr tailpipe NOx in 2024, with a second stage in 2027 further reducing NOx to...

News
Power

The IC Future Points to More Downsizing, Lean Mixtures

Three engineers from the front lines of advanced internal-combustion (IC) engine development affirmed that despite the industry’s public promotion of a battery electric future for...

News
Transportation

Regulatory Landscape Challenges Commercial-Vehicle Engine Development

Regulations like California’s recent Advanced Clean Trucks rule, which calls for every new truck sold in the state to be zero-emission by 2045, will drive...

Articles
Manned Systems

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...

News
Regulations/Standards

Renewable Propane, Ultra-Low NOx Engines Set Standards for Propane Autogas Innovations

The future of trucking is looking even greener. Not only are companies forced to contend with new government regulations to meet lower emissions and...

News
Power

Mahle’s Pre-Chamber MJI Technology Is Sparking Ignition Advances

Any technology transfer between the racetrack and the road is usually a one-way street, with motor racing leading and humble production machinery way back on the...

Technical Innovation
Regulations/Standards

Cleaner Trucks Initiative Starts NOx-Reduction Journey

The U.S. Environmental Protection Agency (EPA) is in the beginning stages of establishing new NOx regulations for heavy-duty on-highway trucks. The agency is spurred by advances in...

News
Regulations/Standards

Advancing Aftertreatment

Regulations in North America and Europe may have settled for the moment, but the pressure is still on for development in aftertreatment.

News
Manned Systems

Tenneco Talks ‘Clean Air’ Tech, Trends

In October 2018, Tenneco Inc. completed its “transformational” acquisition of Federal-Mogul LLC, and now is working to realign the businesses and establish two independent companies by late...

Briefs
Sensors/Data Acquisition

Wide-Area Chemical Sensor

The detection and localization of gas releases, such as methane from leaking natural gas pipelines or nitrogen oxides from failing electrical equipment, require high sensitivity to the target gas and insensitivity...

Technical Innovation
Manned Systems

Cummins Unveils PowerDrive Hybrid-Electrics, Euro 7 Diesel Concept

As vehicle and equipment manufacturers continue to move away from pure diesel power, Cummins has unveiled a suite of plug-in hybrid-electric powertrain solutions under...

News
Design

Deutz Equips Telehandlers with Hybrid and Fully Electric Powertrains

Deutz, which has produced internal combustion engines for more than a century, is moving quickly to integrate electric power with its mainstay diesel engines. Only a...

Briefs
Photonics/Optics

Configuration Enables RFID Tags to Work as Sensors

The detection and localization of gas releases, such as methane from leaking natural gas pipelines or nitrogen oxides from failing electrical equipment, require high sensitivity to the target gas and insensitivity to non-target gases. Infrared (IR) absorption spectroscopy gives highly specific...

Technical Innovation
Regulations/Standards

Emissions Reductions Continue to Disrupt CV Industry

As the automotive and commercial vehicle (CV) industries expand from being dominated by a single powertrain to a multitude of power and fuel options, disruption is propelling change to...

Briefs
Power

Method for Establishing Cool Flames and Flameless Fuel Oxidation with Zero Emissions Using Non-Equilibrium Plasma Activation

Current engines and combustors run at high temperature, which leads to problems of engine knocking, soot and NOx emissions, and difficulty in combustion control. On the other hand, low-temperature combustion and fuel...

Editorial
Connectivity

‘Heavy’ Topics on Tap for WCX18

Another April, another SAE World Congress Experience—the organization’s flagship event (wcx18.org). A time when global mobility experts descend on Cobo Hall in Detroit to share insights and...

Briefs
Sensors/Data Acquisition

SolidSense: Gas Analyzer on a Chip

The SolidSense sensor platform measures all EPA-regulated gas emissions (nitrogen oxides, carbon monoxide, and hydrocarbons), in addition to ammonia, with high accuracy and sensitivity. The chip-scale gas...

Briefs
Green Design & Manufacturing

Composite Materials Could Improve Respirator Filters

Current gas mask filters counter current threats, but there are large gaps in knowledge about how they do so at the molecular level. Many of the filters were developed to handle a wide...