Electric vehicle (EV) penetration in the luxury car segment has seen a drop by nearly 3 percentage points in the GST 2.0 era with the internal combustion engine versions offering better total cost of ownership, according to industry players. While the trend is also visible in the mass market segment, it is the entry luxury segment that is witnessing a more marked shift towards internal combustion engine (ICE) vehicles as price difference between EV and ICE widened under the new GST rates.