Diesel

The fuel efficiency of pickup trucks has improved significantly over the past decade. We drove the 2020 Ram 1500 in both of its higher-efficiency powertrain options – the eTorque mild hybrid and the EcoDiesel turbodiesel – to see how they stack up.

Camcon's Intelligent Valve Technology (IVT) replaces the camshaft with electric actuators for precise digital control over the air charge of any engine. Now, the company's focus is shifting from cars to heavy diesels and artificial intelligence.

Highly capable off-road wagon or the 4WD equivalent of a Gucci handbag; however you view the Mercedes G-Class, the updated model is now available with a grunty 2.9-liter six-cylinder turbo diesel engine that takes you some 20 percent farther per gallon than the gasoline-powered G 500.

​​Porsche has announced that it is turning its back on diesel-powered vehicles, instead choosing to shift its focus toward a cleaner energy future. The news comes three years after parent company Volkswagen admitting to using a defeat device to cheat emissions testing.

Online supermarket Ocado has taken delivery of the first dual-fuel conversion of a Mercedes Sprinter by Liverpool's ULEMCo. The converted Sprinter has been modified to run on both diesel and hydrogen, cutting CO2 emissions and extending the range.

Nobody brags about entry-level compact cars, but there sure are a lot of people who own them. The 2018 Chevrolet Cruze is one of those cars, and with the hatchback option now available with a fuel-efficient diesel engine, Chevy may have come up with a near-perfect formula.

A yellow icon of American transport is looking to go green, with Daimler subsidiary Thomas Built Buses signaling a shift away from diesel-powered pupil-movers in favor of an electric variant that has a range of up to 160 km (100 mi) on a single charge.

Diesel has traditionally been the fuel of the maritime industry, which makes the absence of a diesel outboard engine even more puzzling. Production of the 50 hp Yanmar Dtorque 111 turbo-diesel has begun and the benefits over traditional outboard engines seem overwhelming.

The Land Rover Discovery might look like a softer car than the one it replaces, but a stunt has proved it's still a capable vehicle. A standard Discovery has pulled a 110-tonne road train through the Australian Outback, upping the ante over the train-towing stunt from Land Rover last year.

Alpina takes a unique approach to performance. Rather than sacrificing itself at the altar of handling, the tuning house takes a more relaxed approach, putting comfort before hot-lap dominance. The latest product of that formula is the D5 S, the fastest diesel production car in the world.

Chevrolet has revealed its 2018 Equinox will be offered with three engine options, including a new 1.6-liter diesel. That diesel option will have a cruising range of up to 577 mi (928 km) per tank​ and be EPA rated at up to 39 mpg (6 L/100km) on the highway.

​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.​