Life Cycle Analyses
Powertrain Technologies
SAE WCX 2024 – Year in Review
The SAE World Congress was held in Detroit and covered a broad range of topics pertinent to transport decarbonization. Here’s a link to download presentations on emissions and sustainability.
Real-world CO2 emissions from cars and vans in Europe are 20% higher than certification values
EU Commission finds real-world CO2 emissions from cars and vans in Europe greatly exceed lab certification values. Plug-in hybrids are not being charged as much as estimated.
US EPA MY 2027-2032 Heavy-Duty Phase 3 GHG Standards
The U.S. EPA has finalized the Phase 3 GHG rule specifying CO2 emission reductions from heavy-duty trucks and buses over MY 2027 – 2032.
US EPA MY 2027-2032 Light-Duty CO2 Standards
The EPA final rule will require a fleet averaged 50% reduction in CO2 emissions for light-duty vehicles, over MY 2027 – 2032.
Cummins latest 15L engine capable of meeting MY2027 EPA regulations
Cummins has announced the next generation X15 diesel engine with improved performance and meeting the MY 2027 EPA/CARB Low NOx regulations.
TMC 2024 in Pictures
A visual summary of the TMC Annual Meeting and Transportation Technology Exhibition, held in New Orleans, March 2024.
True total cost of ownership still a decade away
New study analyzes the cost of transition to electric vehicles in California, including socio-economic factors. The burden will shift to lower income groups in later years.
Summary of Oct 2023 CARB workshop for Tier 5 non-road standards
California is looking to reduce NOx emissions from non-road engines by 90% and enforce particulate filters on all engines. Here is a summary of the latest workshop to get stakeholder feedback on Tier 5 standards.
Heavy-Duty
President Trump’s Day One Executive Order and Implications for Transport
President Trump’s Day One Executive Order and the Implications for Transport Emissions
Summary of IRA section 45W for Commercial Clean Vehicles
A summary of the 45W tax credit for the purchase of qualified clean commercial vehicles, published by the IRS.
Cummins launches the new MY 2025 6.7L engine for RAM trucks
Cummins and Stellantis have announced the launch of a new 2025 6.7L engine paired with the RAM lineup of pickup and chassis cab heavy-duty trucks.
What the Trump Administration could mean for the transport sector
Policy & Regulations Anticipated changes for the transport sector under the Trump Administration As in his first term, President-elect Trump
Mobility in India – excerpts of recent headlines
A summary of reports from a couple of leading newspapers in India, taken during end of Sept to early October, 2024 points to the rapidly changing mobility and energy landscape in India.
Biofuels summit in Washington DC highlights role of ethanol in transport decarbonization
The biofuels summit hosted by Growth Energy at Washington DC highlighted the role that ethanol continues to play in decarbonizing the transport sector.
CARB Proposed Modifications to the Low Carbon Fuel Standard
On August 12th, 2024, the California Air Resources Board (CARB) posted the latest proposed amendments to the Low Carbon Fuel Standard (LCFS). These confirm some of the previous amendments proposed earlier this year, while introducing new ones. Here is a recap of some of the important proposed changes.
Guest Article – Emissions Reduction with Alternative Fuels
The journey of the IC engine can be summed up in two words: continuous improvement. Decades of engine research coupled with the relatively recent advent of renewable fuels is accelerating the gains in emissions abatement. Check out this webinar to learn more.
Emissions Control Technologies
Advanced Fuels & Lubricants
Biodiesel and Renewable diesel production in the US hits a speedbump
Biodiesel and renewable diesel production in the U.S. has slowed down significantly in 2025. Here’s why.
Can hybrids lead the pathway for decarbonization of the US light-duty vehicle fleet?
In light of the Trump administrations executive orders limiting EV mandates and incentives, hybrids might offer a pathway for continued fuel economy improvements. This post summarizes the key findings on their CO2 reduction potential.
Dedicated hybrid engines push engine efficiency beyond 45%
Dedicated hybrid engines are approaching 50% brake thermal efficiency and propelling the popularity of range extended EVs in China.
Cummins launches the new MY 2025 6.7L engine for RAM trucks
Cummins and Stellantis have announced the launch of a new 2025 6.7L engine paired with the RAM lineup of pickup and chassis cab heavy-duty trucks.
Summary of proposed IRA 45Z Clean Fuel Production credit
A summary of the proposed 45Z Clean Fuel Production credit for sustainable aviation and other transport fuels, published by the U.S. Department of the Treasury.
Summary of section 45V of the IRA for clean hydrogen
A summary of the final 45V Clean Hydrogen Production Tax Credit, published by the U.S. Department of the Treasury
Addressing high-emitting vehicles in Nigeria
A summary of recent work done on the use of portable equipment to identify high emitting vehicles in Nigeria.
What the Trump Administration could mean for the transport sector
Policy & Regulations Anticipated changes for the transport sector under the Trump Administration As in his first term, President-elect Trump