Road tests find hybrid cars pollute more than advertised

Furthermore, the vehicles did not last as long as the electric range claimed, the researchers said.

Hybrid cars are far more pollutant than previously thought, especially around cities where they have been marketed as more environmentally friendly.

Researchers at the Graz University of Technology in Austria were commissioned by pan-European sustainable travel non-governmental organisation Transport & Environment (T&E) to examine the emissions from hybrid cars and its impact on cities.