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Plug-in hybrids: Friend and foe in Canada’s climate quest
The prevalence of plug-in hybrids in the electric vehicle stock has an important impact on GHG emission trends over time.
The G7 gets serious about decarbonizing road transportation
With everything else going on, you might have missed that the G7 ministers of climate, energy, and environment met in late May in Berlin and issued what is arguably the group’s strongest statement to date. The 39-page communiqué didn’t shy away from difficult questions. The ministers took strong stances on a range of topics bearing […]
The bullet train to lower-carbon travel
Examines the carbon benefits of replacing some short-haul flights in the US with rail trips.
Place your bets: supersonics, or zero-emission planes?
In the high stakes casino of aircraft development, it’s time for industry and governments to place their bets. Supersonics, or zero-emission planes: which will it be?
Should heavy-duty vehicle manufacturers get NOx credits for ZEVs sales?
Argues that crediting manufacturers of zero-emission trucks and buses for avoided NOx emissions could lead to perverse outcomes
Polishing my crystal ball: Airline traffic in 2050
Examines various long-term passenger traffic projections and how they impact aviation decarbonization roadmaps
U.S. biofuels policy: Let’s not be fit for failure
With recent, encouraging advancements in EU biofuels policy, maybe it’s time for a whole new vision for U.S. policy.
Scanning the sky for lite flights
Evaluates online flight search engines for their value in identifying least-emitting flights.
Zero-emission shipping and the Paris Agreement: Why the IMO needs to pick a zero date and set interim targets in its revised GHG strategy
To align with the Paris Agreement temperature goals, the IMO’s upcoming revision of its GHG strategy should include a year by which emissions must be zero and interim targets.
A new climate of aircraft safety
Flying is exceptionally safe for passengers, but its record would likely be cloudier if the climate impacts of aircraft were factored in, and if the safety of all were considered.
Why are electric vehicles the only way to quickly and substantially decarbonize transport?
Battery electric vehicles have the lowest life-cycle GHG emissions, today and into the foreseeable future.
The ongoing battle for stricter vehicle emission limits in Europe
Since the first regulations were put in place to address pollution from cars, the arguments against emissions standards have scarcely changed.