
Life Cycle Analyses

Powertrain Technologies

Heavy-Duty
Notes from the 2023 Sustainable Fleet Technology Conference
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Notes from the 2023 Sustainable Fleet Technology Conference covering a wide range of practical issues for fleet decarbonization
CARB proposes to amend MY 2024 low NOx standard
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Given the lack of MY 2024 compliant new engine introductions, California has proposed an amendment to its low NOx omnibus, providing more flexibility for legacy engines.
CARB deal with OEM on low NOx, electrification – and H2 ICE ?
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California and Truck & Engine Manufacturers have reached a deal on low NOx and electrification targets in the state. This paves the way for more regulatory certainty but the challenges ahead are not diminished.
Technology Deepdive : Opposed piston engines
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Opposed piston engines are being developed as a tool to reduce CO2 and NOx emissions from heavy-duty trucks. Here’s a deeper look into this technology and recent test results.
U.S. EPA Phase 3 Greenhouse Gas Proposal for Heavy-Duty Vehicles
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A downloadable summary of the U.S. EPA announced the Phase 3 GHG proposal for heavy-duty vehicles. From 2027 to 2032, 45% reduction in CO2 emissions for light vocational vehicles and 25% for Class 8 sleeper cabs. Over half of light vocational and a quarter of sleeper cabs expected to be ZEVs by 2032.
What’s in a tire – you may be surprised
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Tire manufacturers are developing the next generation tires for light- and heavy-duty vehicles to address the new performance and sustainability needs of electrified fleets.
Revised CO2 standards in Europe for heavy-duty vehicles
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Europe has proposed an ambitious revision to its heavy-duty vehicle CO2 emission standards. Here’s a summary of some of the revised and new elements
Hydrogen Fuel Cell Trucks
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An updated summary of available hydrogen fuel cell electric trucks and buses, their announced range and hydrogen capacity.

Emissions Control Technologies

Advanced Fuels & Lubricants
Cummins latest 15L engine capable of meeting MY2027 EPA regulations
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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
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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
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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 Euro 7 Near-Final Regulation
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A brief summary of the near-final Euro 7 regulations for light- and heavy-duty vehicles.
Summary of 2024 SAE Government Industry
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A summary of select portions of the SAE Government Industry meeting, held in Washington DC, which highlighted the growing concerns of the industry with government mandates and preparedness for tackling the infrastructure barriers and low consumer / fleet acceptance.
On the carbon intensity of ethanol
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Recent studies have critically assessed the carbon intensity of ethanol and show that while the fuel has significantly improved over time, significant further improvements are to come.
Summary of Oct 2023 CARB workshop for Tier 5 non-road standards
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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.
Will Euro 7 close the gap with other major automotive markets on controlling destructive evaporative emissions?
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Will the European Council support the Commission’s and Parliament’s commitment to enforce more stringent standards for refueling and evaporative emissions as part of Euro 7 ?