Staff blog: Clean Air

The summary of a "study" that the glider industry used to support its claim that EPA was wrong about how dirty gliders are is fingernails-on-a-chalkboard aggravating.
Sales of battery electric buses are surging, yet a complete technology transition won't happen overnight. Meanwhile, tightening emission standards on conventionally powered buses would have immediate benefits for air quality in many of the world's fastest growing megacities.
In September three MEPs convened a fruitful discussion on using remote sensing technology to measure pollutant emissions in vehicle exhaust in Europe’s cities.
In short, it’s welcome news that Indian regulators have set their sights on catching up with best-practice emissions standards for non-road engines. Here’s hoping that in aiming for that goal in 2025 they don’t overlook a simple fix that will bring even more immediate help in solving the persistent air pollution problems facing the country.
In Beijing, air pollution is once again off the charts. The air-quality challenge is exacerbated by geographical and meteorological conditions, but the human-made pollution is anything but a natural disaster, and the transportation sector, like all sectors, must do everything possible to reduce emissions.
Explains why first-phase fleet renewal program in Brazil could be most effective if it focused on removing old diesel heavy trucks and buses from the roads, in particular those older than 14 years that comply with Proconve standards P-3 and earlier, and how Brazil could best leverage these emission reductions by combining this with the introduction of P-8 standards.