How do LPG vehicles compare to different cars in emissions?

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Liquefied Petroleum Gas Vehicles Emit Less Pollution Than Gasoline and Diesel Alternatives

Liquefied petroleum gas (LPG) vehicles generally produce fewer emissions compared to their gasoline and diesel counterparts. This characteristic has contributed to policy changes in South Korea aimed at reducing overall air pollution, which has been a significant public concern. The country's air quality has been a persistent issue, with 2017 data from the Organisation for Economic Co-operation and Development (OECD) indicating that South Korea's air quality was the poorest among its peer nations.

South Korea's efforts to combat pollution have involved legislative measures, including the recent passing of bills that classify the problem as a "social disaster." This designation allows for the utilisation of reserve funds to address the impacts of polluted air, with the nation's reserve funds reaching up to three trillion won (approximately RM10.8 billion) this year. Among the measures enacted are mandates for air purifiers in all school classrooms and the removal of sales limitations on LPG vehicles. This move acknowledges the lower emission profile of LPG-powered vehicles in the context of broader environmental strategies.

The context for these measures includes the broader environmental challenges faced by South Korea. In early March, the country experienced six consecutive days of high pollutant concentrations across most regions. According to a Gallup Korea poll released on March 8, President Moon Jae-in's approval rating had seen a decrease, partly attributed to the public's concern over pollution. The legislative changes are expected to become law within approximately 15 days, barring any objections. This initiative is part of a wider effort to improve air quality, which has seen average annual exposure to fine particulate matter (PM) of less than 2.5 micrometres at 25.1 micrograms per cubic metre in 2017, significantly higher than the OECD average of 12.5 micrograms. The World Health Organisation's recommended standard for PM 2.5 levels is no more than 10 micrograms per cubic metre.

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How do LPG vehicles compare to different cars in emissions?

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