Thread by @HemanNamo

1/ “E20 is destroying Indian engines.” Viral. Emotional. Wrong. Here is the materials science, court records, and real world data that dismantles this narrative completely

2/ Let’s start with the mileage drop, because that part is real. You filled up. Efficiency fell 2-8% typically. That is not damage. That is not corrosion. Ethanol simply has lower energy density than petrol. You are feeling physics, not a failing engine. But the damage claim goes further. Let’s go there.

3/ Critics say E20 destroys rubber seals. Here is the materials science they missed. Indian BS3 and BS4 cars and bikes use NBR, Nitrile Butadiene Rubber, as standard. NBR is highly resilient to ethanol blends. While older, low-grade rubber can see minor swelling over years, it doesn’t mean instant failure. Fresh fuel and routine service, problem solved.

4/ Pre-2005 carbureted engines, the only category with genuinely vulnerable rubber. Here is what nobody told you. India’s Vehicle Scrappage Policy 2021 mandates vehicles over 20 years face strict fitness tests and are increasingly off road if they fail. Those vehicles are being removed. By law.

5/ Still not convinced? Real roads. Autocar India drove a 2016 Maruti Dzire on E20 through a 230km Mumbai loop. Result? Zero damage. The only real catch? Ethanol absorbs moisture. If you leave a vehicle sitting idle for months fuel can degrade. Use fresh fuel and the “destruction” vanishes.

6/ Let that land.

• BS3/BS4 fleet: NBR rubber (highly resilient)
• BS6 fleet: Fully E20 native
• Idle vehicles: Just need fresh fuel
• Pre-2005: Fitness tested, increasingly off road

Every properly maintained legal vehicle on Indian roads today. Covered.

7/ The Supreme Court dismissed the PIL challenging E20. ARAI field trials, no compatibility issues. NBR materials science independently confirms both findings. Science. Judiciary. Field trials. All pointing the same direction.

8/ Now ask yourself one question. Every time an Indian believes E20 is destroying their engine, what do they consider? Buying a new car. New cars are E20 compliant. The “your old car is damaged” panic is the best free advertising the auto industry never had to pay for.

9/ The real story. India spends $120+ billion importing crude oil every single year. That is Rs 10 lakh crore leaving India annually. E20 cuts this directly. Since 2014, Rs 1.18 lakh crore paid directly to farmers. Rs 1.36 lakh crore saved in forex. 698 lakh tonnes of CO2 cut. 20% blending achieved FIVE YEARS ahead of target. This is India winning.

10/ The viral outrage was built on a materials science fact critics never bothered to check. India’s fleet was already ready for E20. The only thing not ready was the truth. Share this if you believe India deserves accurate information. #E20 #IndiaFirst #EthanolBlending
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