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Buses Running on Electric or Natural Gas over Diesel

  • Andrew Seojin Kwon
  • Aug 15, 2023
  • 2 min read

Updated: Aug 21, 2023


Buses have been an essential mode of public transportation for decades, shuttling millions of passengers daily across cities and countries. However, as the environmental concerns mount with the escalating climate crisis, the focus has shifted to the types of fuels these large vehicles consume. Traditional buses powered by gasoline or diesel have long been the norm, but the rise of electric and natural gas buses presents a compelling, environmentally-friendly alternative.


1. Emission Reductions:

The most evident benefit of electric and natural gas buses is the significant reduction in greenhouse gas emissions. Diesel and gasoline engines release large amounts of carbon dioxide (CO2), nitrogen oxides (NOx), and particulates, all of which contribute to air pollution and global warming. Electric buses, on the other hand, produce zero tailpipe emissions. Even when accounting for emissions from power plants that generate electricity, electric buses still come out ahead in most regions. Natural gas buses, while not entirely emission-free, emit considerably less CO2 and NOx than their diesel counterparts.


2. Improved Air Quality:

Urban areas often grapple with the menace of air pollution. The harmful emissions from gasoline and diesel-powered buses contribute to smog, respiratory diseases, and reduced life expectancy in densely populated areas. Transitioning to electric or natural gas buses can help alleviate these health concerns. Electric buses, with their zero tailpipe emissions, directly reduce the number of pollutants in the air. Natural gas buses, while emitting some pollutants, release far fewer particulates than diesel buses, leading to clearer skies and healthier urban populations.


3. Economic Sense in the Long Run:

While the upfront costs of electric and natural gas buses can be higher than those of traditional buses, the operational costs over the lifespan of these vehicles are often lower. Electric buses benefit from fewer moving parts, translating to reduced maintenance costs. Furthermore, electricity prices, especially from renewable sources, are generally more stable than volatile oil prices. Natural gas, being abundantly available in many regions, can also offer cost savings over time.


4. Reduction in Noise Pollution:

Another often-overlooked advantage is the reduction in noise pollution. Electric buses operate remarkably quietly compared to their diesel or gasoline counterparts. This quiet operation not only benefits the passengers onboard but also the larger community as buses traverse city streets at all hours, ensuring peaceful neighborhoods, especially during the night.


5. Encouraging a Wider Green Transition:

Embracing electric and natural gas buses can serve as a stepping stone towards a broader transition to sustainable transportation. As cities invest in these cleaner technologies, it creates an impetus for further investment in renewable energy infrastructure, charging stations, and sustainable urban planning. The shift away from fossil fuels in public transportation can inspire similar changes in personal vehicles and other sectors.


In conclusion, as the world grapples with the urgent need to combat climate change, transitioning to more environmentally-friendly modes of transportation becomes imperative. Electric and natural gas buses not only present a solution to reduce harmful emissions but also offer economic advantages and improve the overall quality of urban life. The future of urban transit is green, and it's a journey we must embark on collectively.

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