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  • Emissions from Auto LPG Vehicles Much Lower than BS VI Grade Petrol: Latest Emission Tests by Indian Auto LPG Coalition Reveal

    Published on April 6, 2021

           The tests performed at iCAT compared Petrol and Auto LPG performance across four key parameters– CO, THC, NmHC and NoX levels

    ·       Auto LPG emission levels were way below than BS VI limits across all parameters

    ·       Tests validate Auto LPG as one of the cleanest alternative fuels available with a huge potential to improve India’s urban air quality almost immediately

    ·       Being almost 45% cheaper than petrol, Auto LPG is also highly viable for consumers

    New Delhi: Tailpipe emissions from Auto LPG have been found to be significantly lesser than even BS VI compliant petrol vehicles, according to the results of the latest emission tests conducted by Indian Auto LPG Coalition. The tests definitively validate Auto LPG as one of the cleanest alternative fuels that could bring in major environmental benefits if adopted by a larger number of personal vehicles in India.

    The tests compared petrol and Auto LPG emissions across the key BS VI parameters – Carbon Monoxide (CO), total hydrocarbons (THC), non-methane hydrocarbons (NmHC) and Oxides of Nitrogen (Nox). Auto LPG was found to emit almost 52% lesser carbon monoxides, 47% less total hydrocarbons and 50% less non methane hydrocarbons as compared to Petrol and at an extraordinary 82% lower emissions for CO, 70% lower for THC, 62% lower for NmHC and 81% lower NOx than the BSVI limits.

    Auto LPG emissions were found to be much below Petrol and at just a fraction of the BS VI limits, making it a highly viable alternative fuel that if adopted widely has the potential to accelerate India’s clean environment goals.

    “Our latest emission tests once again validate that Auto LPG is one of the most environment friendly and clean automotive fuels, even better than BS VI grade petrol. With widespread adoption of Auto LPG for personal vehicles, India can fast-pace towards a clean air future. Until Electric Vehicles become viable commercially and infrastructure-wise, we need a clean fuel to act as a bridge between a petrol-driven present and an electric future.  Auto LPG is best suited to act as that bridging fuel. We need a positive policy push from the government to bring about a mass shift to Auto LPG,” said Mr. Suyash Gupta, Director General, Indian Auto LPG Coalition (IAC).

     BS VI LimitLPG  Emissions ResultAs % of BS VI Limit
    CO (mg/km)1000.000177.95317.80%
    THC (mg/km)100.00029.56329.56%
    NmHC (mg/km)68.00025.17837.03%
    Nox (mg/km)60.00010.99218.32%
        
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    Carbon monoxide emissions were recorded at 177.5 mg/km for LPG as against 369.2 mg/km for petrol. Similarly the Total Hydrocarbon, Nonmethane Hydrocarbon and Nitrogen Oxide levels were at 29.5 mg/km, 25.17 mg/km and 10.99 mg/km for LPG, most of them much lesser than that of petrol.

    Importantly, in the current scenario Auto LPG is almost 45% cheaper than petrol which makes it a pocket friendly for consumers too, apart from being environmentally friendly. Passenger vehicles, be it cars, two wheelers or three wheelers, can easily switch to Auto LPG by installing conversion kits. While petrol prices have been hovering close to the Rs 100 mark, Auto LPG is priced at almost half of both the mainstream automotive fuels. With such a huge fuel price differential, consumers who choose to convert their vehicles to Auto LPG could recover their investments in conversion kit installation within 6 months, dependent on the Auto LPG price in their city.

    “As skyrocketing fuel prices put a major economic burden on consumers, herein lies an opportunity to create a behavioral shift towards clean and environment friendly fuels like Auto LPG. A small policy push supported by appropriate messaging can enable a lot of people to convert their personal vehicles to Auto LPG. Reducing the prohibitive GST rate of 28% on conversion kits and subsidizing kit costs for consumers can bring about a wide clean switch, impacting our air almost immediately.” added Mr. Gupta.