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:Most reliable cars 2019 - The top vehicles that you can depend on VW ID Buzz - New futuristic electric T2 Camper previewed in latest videoCar insurance SHOCK: Surprise thing that can get you cheaper cover than a no claims bonusCar insurance - UK drivers admit lying on insurance risking huge fines and invalid coverScrap ‘broken’ car tax system for pay-per-mile charges in the UKRenault Megane RS Trophy: Megane's name on the Trophy