Ow does technology help to reduce Public Transport emissions and reduce global warming change?

The dissertation is about using new technologies to help turning public transport into a more  Eco-friendly transport . Although they are eco-friendly ever since consider as a mass transportation, but in terms of  GREEN transportation, they are one of them which produce heavy CO2. How technology in order to help to reduce emission of CO2, in other word, decreases the rate of Global Warming.

A draft is provided with the order. It consists of an introduction, 2 case studies about 2 cities, namely: London, UK and Hong Kong, China and a brief conclusion. As the draft has been reviewed, the writer should edit and append the existing dissertation, i.e. adding more resources and modifying un-reasonable paragraphs/sentences.

If there are any problems, please contact me as soon. Thanks for the help.