Explained: How automakers are using tech tweaks to keep petrol variants in top drive | Explained News,The Indian Express

Nudged by tough BS6 emission norms, automakers are offering mild and strong hybrid options in their vehicles and using tech tweaks to stretch out every litre of petrol and deliver the biggest bang for the buck.

Maruti Suzuki’s compelling fuel efficiency pitch — 1,200 km on a single tank! — for the hybrid version of its new Grand Vitara premium SUV rides on the underrated petrol engines that leverage a range of mild and strong hybrid options, marking a significant departure from the biggest trick that carmakers have employed for the better part of the last two decades: the diesel mill.

India’s largest carmaker is not alone — a slew of tweaks and innovations that stretch every litre of fuel are bringing back petrol variants as the top models across manufacturers.

Diesel’s traditional advantage

Because they use compressed air with no spark plug for the ignition process, diesel engines use 15%-20% per cent less fuel compared to a petrol engine vehicle, which translates into lower operating costs in addition to providing higher low-end torque (the turning force). This made diesel the primary choice for utility vehicles. However, diesel engines entailed higher upfront costs, and their servicing and maintenance costs tended to be more.

While diesel continues to be a pricier, hot option among the variants on offer, it is no longer the mainstay mileage buster for a number of carmakers, including Maruti Suzuki. The return to petrol has been triggered by the stricter BS6 emission norms rolled out two years ago and, more importantly, a range of tech alterations to deliver the most bang for the customer’s buck.

https://indianexpress.com/article/explained/explained-the-comeback-of-petrol-8053478/


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