Flex fuel also known as flexible fuel is an alternative fuel made of a combination of petrol and methanol or ethanol. Specially developed powertrains that can run on special fuel are called flex-fuel engines.
Tiago Sales: The Tiago range comes in multiple powertrain options of Petrol, CNG and Electric. In addition, the Tiago NRG comes in an SUV-inspired design with off-roading capabilities which is also available in both Petrol and CNG options. Tiago’s Net Promoter Score has received the highest rating of 51, which is a clear testament of the brand’s success, the company said.