MOT diesel emissions tests - The cars most likely to fail their MOT for emissions revealed NEW MOT test rules came into force on Sunday May 20th introducing stricter emissions limits for diesel cars and now new research has revealed the cars that are most likely to fail the annual roadworthiness for emissions. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Suzuki Swift Sport 2018 review: Road test, UK price, specs and performanceLand Rover is developing self driving SUVs that can go off-roadChild car seat WARNING - Two out of three children are not safe when in a child seatPetrol prices could rise to over £1.40 per litre as cost of oil surgesDrivers could be forced to pay more than £3,000 for car accidents that aren’t their faultTesla Model S and Model X - This incredible standard feature could save your life