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International Journal of Energy for a Clean Environment

Published 8 issues per year

ISSN Print: 2150-3621

ISSN Online: 2150-363X

SJR: 0.597 SNIP: 1.456 CiteScore™:: 3.7 H-Index: 18

Indexed in

PUBLIC TRANSPORT AND CO2 EMISSION: A COMPARATIVE ASSESSMENT BETWEEN CONVENTIONAL AND INNOVATIVE VEHICLES

Volume 4, Issue 3, 2003, 16 pages
DOI: 10.1615/InterJEnerCleanEnv.v4.i3.10
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ABSTRACT

The problem of climatic change is one of the most serious drawbacks of the emission of large quantities of CO2 and other greenhouse gases into the atmosphere. Road transport plays a large part in the world’s production of CO2. Vehicles using fossil fuels (petrol and diesel fuel) produce CO2 emissions in quantities that depend on the carbon present in the fuel molecule. The target of CO2 reduction can be reached by using alternative fuels that have low carbon contents but also by improving the energy efficiency of the engine. This paper aims to carry out a comparative analysis of the CO2 emission of both the innovative and conventional public transport vehicles using on-line measurement methods to investigate their energy and emission performances. Two applications of this concept are reported, referring to experimental projects involving public transport companies in Italy. CO2 emission can be assessed and quantified from the fuel consumption supposing that all fuels consumed are oxidized by air oxygen to produce water and CO2. In conjunction with the above indirect emission calculation, some direct measurements were performed using a portable gas analyzer to confirm the former approach in CO2 evaluation. In several experimental tests, a diesel bus was compared with a similar CNG bus and a series hybrid bus. All the experiments were carried out during regular service.

CITED BY
  1. Jeyakumar Nagarajan, Madasamy Sankaranarayanan, Narayanasamy Bose , MATHEMATICAL AND EXPERIMENTAL ANALYSIS OF THERMAL BARRIER COATING IN DIESEL ENGINE , International Journal of Energy for a Clean Environment, 23, 7, 2022. Crossref

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