An Austin, Texas-based startup is promising 40% fuel efficiency savings and reductions in carbon emissions from a hybrid diesel-electric Class 8 tractor set to be unveiled at the end of March.

Your answers are used to determine the most suitable fuel type for you from a choice of diesel, electric, hybrid, petrol and plug-in hybrid. For example, if most of your journeys are less than 60 ...

Hybrid cars have been around for a while now, and although they still use fossil fuels, they used them more efficiently. Better still, they emit less CO2 than models with pure petrol and diesel ...

This means the Seltos diesel-automatic has a real world average efficiency of 15.35kpl. Toyota’s hybrid midsize SUV comes with a 92.5hp, 1.5-litre petrol engine and an 80hp electric motor for a ...

What has been confirmed – at least as confirmed as rumors can be – is that the XL1 will have a new 800-cc, two-cylinder diesel powerplant with 48-hp and 88 lb-ft of torque and will be mated to ...