New Delhi, July 4 -- Ethanol-blended E20 petrol was introduced across India only after undergoing rigorous testing on two-wheelers and four-wheelers, and there are no gaps in the scientific standards used for its rollout, former Chairman and Managing Director of Engineers India Limited (EIL) Vartika Shukla said on Saturday.

Speaking to ANI, Shukla said the E20 fuel rollout was backed by extensive testing before being made available nationwide.

"Regarding the E20 fuel launched on December 25, part of the 'One Nation, One Fuel' initiative, it was initially introduced in select regions before reaching every retail outlet... E20 was launched pan-India following rigorous testing on various 4-wheeler and 2-wheeler engines ahead of the 2030 ma...