"The retail side of the business is up 30 per cent this year, but if you are going to grow, you have got to grow in the fleet market and the outgoing car had relatively high CO2 figures," he said.
The engine range, which includes a 1.6-litre diesel and two 2.0-litre units, has reduced emissions by up to 19 per cent.
What's more, the stop/start function helps to reduce CO2 too, with emissions beginning at 109g/km for the Greenline diesel hatchback and 113g/km for its estate counterpart.
Lexus uncovers new 2014 CT 200h features
Lexus has been busy at international motor shows in recent months, displaying its latest design inno...