NEW DELHI: Road transport and highways minister Nitin Gadkari may be making a case to tax diesel cars more as he pitches relatively greener technologies, but a look at the industry's numbers shows that diesel has already lost sway with buyers.According to data sourced by TOI for April-August 2023 period, the share of diesels has come down to 0.5% for passenger cars and zero for sedans as consumers opted for petrols, CNGs, and to a very small degree for hybrids and electrics. Although diesel models amount to 33%...