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A test of six hybrids, two diesels and one petrol model found the partially-electrified cars produced more volatile organic compounds.

A test of six hybrids, two diesels and one petrol model found the partially-electrified cars produced more volatile organic compounds.

Vehicle Emissions Analysis: How Clean Is the U.S. Car Fleet Today? Nick Molden,Ryan Lugo © Motor Trend Staff Vehicle Emissions Analysis 1 MotorTrend in 2012 teamed with the world's preeminent real-world on-road emissions testing company—U.K.-based Emissions Analytics—and began emissions-testing many vehicles that pass through our revolving test fleet. Our prime motivation was to measure real-world fuel economy, which we've reported in many of our vehicle evaluations as RealMPG. But because Emissions Analytics' proprietary EQUA testing procedure is functionally similar t...

Hybrid Plug-in's Are Suddenly Carsona-Non-Grata By Air Wardens In Europe Nick Carey and Kate Abnett writing for Reuters asked if you remember when plug-in hybrid cars were the go-to technology for the climate-conscious driver? Turns out, they’re not good for the environment, according to some experts, and they could be phased out by carmakers in the face of tougher European rules. EU policy plans for plug-in hybrid vehicles (PHEVs), which contain an electric battery and a combustion engine, could mean the "transition" technology has a shorter lifespan than envisaged by some leading automake...

Michelin promises tyres will be made from fully sustainable materials by 2050 (Michelin) Major tyre manufacturer Michelin has revealed how it plans to make its tyres from fully sustainable materials by 2050. The French firm says it currently makes tyres with 28 per cent sustainable materials, but wants to steadily increase this over the next few decades. Each tyre compound is made up of around 200 ingredients, with the main one being natural rubber. Others include synthetic rubber, metal, fibres and components that strengthen a tyre’s structure, such as carbon black, silica and plasticisers...