Life Cycle Analyses
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
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
Summary of EV related U.S. Tariffs on Chinese Imports
The Biden Administration has announced significant new tariffs on a range of Chinese-made electric vehicles and related strategic components. Here is a summary.
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.
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.
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.
Summary of Euro 7 Near-Final Regulation
A brief summary of the near-final Euro 7 regulations for light- and heavy-duty vehicles.
Summary of 2024 SAE Government Industry
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
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.
Emissions Control Technologies
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
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.
TMC 2024 in Pictures
A visual summary of the TMC Annual Meeting and Transportation Technology Exhibition, held in New Orleans, March 2024.
Summary of 2024 SAE Government Industry
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
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.
Notes from the 2023 Sustainable Fleet Technology Conference
Notes from the 2023 Sustainable Fleet Technology Conference covering a wide range of practical issues for fleet decarbonization
U.S. EPA Phase 3 Greenhouse Gas Proposal for Heavy-Duty Vehicles
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.
U.S. EPA Proposal for MY2027+ Light- and Medium-Duty Vehicles
On April 12th 2023, the U.S. EPA published a proposal to further reduce greenhouse gas and criteria pollutant emissions from light- and medium-duty vehicles beyond model year 2027. Here is a summary of this “multi-pollutant” regulatory proposal.
Revised CO2 standards in Europe for heavy-duty vehicles
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