Drivers with long commutes who rarely charge their plug-in hybrid car are likely to emit much more CO₂ than official test figures suggest.
It may seem a long way away, but a 2035 ban requires investment and major changes right now.
Often presented as one of the best ways to save energy, eco-efficiency often proves to be less effective than one might think.
Only a small share of the vehicles Americans buy are electric. Even if all of them were, it would take until 2040 to phase out the fossil fuels used to power personal travel and road-bound freight.
Canada has committed to cutting GHG emissions 30 per cent by 2030 from 2005 levels. Can Canada's oil capital lead the charge? New research shows it's within reach with bold actions on several fronts.
Australian vehicles have been accused of creating more emissions than their manufacturers advertise. But are Australian testing standards up to scratch?
The great dream of cars running on sustainable petrol has not bitten the dust. Here's why.