Life Cycle Analyses
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.
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.
Direct manufacturing cost of BEV vs ICE
A summary of a study comparing the direct manufacturing costs of the VW Tiguan and ID4
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 2nd Life-Cycle Analysis for Transportation Symposium (LCATS)
Here is a summary of the second Life-Cycle Analysis for Transportation Symposium (LCATS) held on November 16–17, 2023, in San Antonio.
LCA references
A list of references for life-cycle analyses for vehicular greenhouse gas emissions This is intended to be a growing list
Powertrain Technologies
Conference Summary – Hydrogen for Sustainable Mobility Forum
A summary of the “Hydrogen for Sustainable Mobility Forum” conference held in Turin.
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.
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.
CARB and EPA Low NOx Engines and Trucks Announced
Truck manufacturers are offering improved versions that meet California’s MY 2024 Low NOx standards. Here’s a comparison of the underlying after-treatment technologies.
Hybridization of heavy-duty vehicles for meeting European CO2 standards
A summary of a new study highlighting the role hybrids could play in meeting upcoming CO2 standards in Europe, and the implications for electric vehicle share.
Total Cost of Transportation Analysis for a Heavy-Duty Fleet
A new study shows that switching to a Class 8 truck can more than double the total cost of transportation. Here’s a summary.
Heavy-Duty
Conference Summary – Hydrogen for Sustainable Mobility Forum
A summary of the “Hydrogen for Sustainable Mobility Forum” conference held in Turin.
Cummins new engines introduced and poised to meet MY2027 standards
A round-up of the recently announced engines which will meet the upcoming EPA MY 2027 standards.
Nose jobs, weight loss and skirts. Trucks are getting the ultimate makeover.
Volvo Trucks has recently shown that their new European “FH Aero with I-Save” has 5% lower fuel consumption through an extended front.
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.
Emissions Control Technologies
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.
CARB and EPA Low NOx Engines and Trucks Announced
Truck manufacturers are offering improved versions that meet California’s MY 2024 Low NOx standards. Here’s a comparison of the underlying after-treatment technologies.
Dinex outlines Technologies for Low NOx Non-Road engines
A potential technology pathway for meeting upcoming California low NOx standards for off-highway machinery was shown by Dinex at a recent conference.
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.
Achieving 90% reduction in NOx emissions from heavy-duty vehicles
Achieving 90% reduction in NOx emissions from heavy-duty vehicles California’s Low NOx Omnibus will be phased in through model years
In-use NOx emissions from heavy-duty trucks and buses
In-use NOx emissions from heavy-duty trucks and buses Journal Paper Review : Real-world NOx emissions from heavy-duty diesel, natural gas,
Euro 7 Implications for gasoline particulate filters
GPFs work well under wide operating conditions. But, very higher filtration will be needed for Euro 7. Journal Paper Review : Particle
Advanced Fuels & Lubricants
Cummins new engines introduced and poised to meet MY2027 standards
A round-up of the recently announced engines which will meet the upcoming EPA MY 2027 standards.
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.
