Reverse effect
Diesel-fuelled vehicles have pulled down the ratings of companies
US comes clean
Diesel becomes a dirty word in the official US environmental lexicon
Count the soot
Black carbon from diesel, not from biomass, warms the globe
Diesel confuses bees
Emissions interfere with floral odours that guide honeybees
Fuel for thought
Germany calls for "sulphur-free" fuels
The hazy future
A pedestrian view
The new fuels leave vehicle-owners with little choice
What "alternatives" farce
Don't junk it
Waste can power vehicles
Exposure to diesel exhaust induces stress