Tech Briefs
Engines
EPA Demands Manufacturer Data as It Expands Action on DEF System Failures
A brief summary of recent EPA changes to DEF-related failures.
Stellantis Hurricane 4 Turbo packs more with advanced combustion technologies
In case you thought OEMs have stopped investing in internal combustion engines, here’s a summary of the latest from Stellantis’ impressive Hurricane 4 Turbo engine.
Webinar Summary – Advanced Propane Engine Technology
“[Converting to this fuel] was one of the single-best decisions we as an organization have made”. Guess the fuel ? Probably not what you typically think of for on-road mobility..
Fuels
EPA Demands Manufacturer Data as It Expands Action on DEF System Failures
A brief summary of recent EPA changes to DEF-related failures.
EPA repeals 2009 GHG endangerment finding
The US EPA is repealing the 2009 GHG endangerment finding and terminating all vehicular GHG standards.
Efficiency of EVs in US and China
China has set energy efficiency norms for electric vehicles – how do modern EVs fare?
Electrification
India issues Battery Pack Aadhaar Guideline
The Battery Pack Aadhaar (BPA) Guideline issued by the Ministry of Road Transport & Highways (MoRTH), Government of India, establishes a unique digital identity for battery packs to enable end-to-end lifecycle traceability.
NOx emissions inventories – Role of improved HD ICE technologies
A new in-use emissions study on heavy-duty vehicles shows that both conventional diesel and alternative fuel vehicles certified to the 0.02 g/bhp-h standard can meet future EPA NOx limits even in day-to-day operation.
IRENA Renewable Energy Capacity Statistics 2025
According to the latest report from IRENA, 2024 saw the largest increase in renewable capacity, accounting for 92.5% of overall power additions.
Hydrogen
EPA Demands Manufacturer Data as It Expands Action on DEF System Failures
A brief summary of recent EPA changes to DEF-related failures.
EPA repeals 2009 GHG endangerment finding
The US EPA is repealing the 2009 GHG endangerment finding and terminating all vehicular GHG standards.
Efficiency of EVs in US and China
China has set energy efficiency norms for electric vehicles – how do modern EVs fare?
Lifecycle Analyses
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.
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.
Importance of wells-to-wheel accounting of CO2 emissions from the transportation sector
Europe has recorded a significant reduction in CO2 from passenger cars in 2020, mostly due to the increase in electric vehicle sales. However, it is important to account for upstream electricity generation so that we get a holistic picture of CO2 reductions.
Other
Guest Article – How do we make mobility better?
From Brandon Bartneck – “I’ve spent the past four years chasing down the answer to the following question…
How do we make mobility better?
It’s meaningful. Probably the most impactful challenge that I’ve tried to help solve. But it’s far from straightforward.”
BP Energy Outlook 2024 – A summary
The 13th BP Energy Outlook provides insights into the changing landscape of energy demand and supply, one with the current pace of technology deployment and another with an ambitious net-zero goal by 2050. The shift to electricity and therefore to grid decarbonization is highlighted.
What’s in a tire – you may be surprised
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.