Diesel

​Siemens first revealed its eHighway concept back in 2012, where a hybrid diesel/electric truck moving down a stretch of road could raise its pantograph to overhead power lines and roll along on electric power only. Now similar plans have been revealed for a 10 km stretch of Germany's A5 autobahn.​

A new DEMU train was officially entered into service by India's Minister of Railways Shri Suresh Prabhakar Prabhu on July 14. The train left Safdarjung Station in south Delhi pulling six carriages topped with PV panels to meet the needs of its electrical systems with clean energy.

The new Hyundai i30 hasn't been around for long, but engineers in Seoul have frantically been working to expand the range. Along with the first N Performance model, the i30 has been turned into a slick, four-door Fastback, designed to mimic more expensive four-door coupes from Audi and BMW.

The folks Down Under are partial to a pickup, and Ford would argue the range-topping Ranger Wildtrak is the best pickup you can buy. With a luxurious interior, plenty of off-road gear and a ruggedly handsome face, it certainly looks good on paper. But does it deliver in the real world?

Recent setbacks haven't stopped Volkswagen from improving its impressive lineup. Having treated the Golf to a tech injection, it has overhauled the Polo. It might serve as an entry point to the VW range, but the Polo packs a range of features passed down from its big brothers.

GM has come under fire for allegedly installing defeat devices on over 700,000 vehicles with Duramax engines. A class action lawsuit argues GM and Bosch knowingly sold cars tuned to emit illegal amounts of nitrogen oxide when outside the test environment.

"Dieselgate" might be winding up for VW, but investigations into diesel emissions cheating are just getting started elsewhere. Following news Daimler is being investigated in Germany, the US DOJ has filed a civil suit against Fiat Chrysler for failing to correctly disclose emissions control devices.

After a year-long investigation, researchers have revealed the code used by Volkswagen to cheat diesel emissions tests. The announcement coincides with preliminary investigations by the Stuttgart public prosecutor’s office​ into alleged "fraud and criminal advertising" in diesel cars at Mercedes.

My job is a good one: I get to drive lots of exciting cars and many inspire great affection. But in all honesty, no test car has ever truly made me fall deeply, madly in love. Until now. I love the Kia Sportage GT Line Diesel.​

Skoda has been slowly driving more upmarket from its entry-level roots and expanded the number of models on offer. Joining the lineup is the Karoq compact SUV, which is built on the same underpinnings as the VW Tiguan and which Skoda is hoping will succeed where the oddball Yeti failed.

​​The undisclosed emissions spewing from Volkswagen vehicles may be more of a rule than an exception, with a comprehensive new study published this week finding that real-world emissions from diesel vehicles has been underestimated by as much as 50 percent.

Having built more than a million 911s, Porsche has a look that's instantly recognisable on the road. But how do those lines translate to the high seas? Monaco-based Dynamiq has integrated classic Porsche design cues into its new GTT yacht range, starting with the 35-m (115-ft) GTT 115 Hybrid.