BBC News - Mazda bets on internal combustion engine

BBC News - Mazda bets on internal combustion engine: The most frugal diesel version of the car delivers 61.4mpg[52 mpg-US] (4.6l/100km), with carbon emissions of 119g/km, which is impressive when compared with rival crossovers with 150hp engines."

"We can provide hybrid-level fuel economy and carbon emissions levels in the CX-5 without the weight and the cost," insists Mr Guyton.

"Mazda's fuel-saving technology depends on a dramatically high compression ratio which ensures its engines are highly efficient."

"Unlike our rivals, who use catalytic converters to reduce NOx (nitrogen oxides), we aim to get the combustion right in the first place so we don't need it," says Mr Guyton.