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Science Journal of Energy Engineering

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2024, Volume 12
2023, Volume 11
1. Issue 2, Jun.
2. Issue 1, Mar.
2022, Volume 10
2021, Volume 9
2020, Volume 8
2019, Volume 7
2018, Volume 6
2017, Volume 5
2016, Volume 4
2015, Volume 3
2014, Volume 2
2013, Volume 1

Volume 2, Issue 2, April 2014

Characterization of Physical and Chemical Properties of Biodiesel Produced from Jatropha Curcas Seeds Oil Cultivated in Rwanda

Jean Ntaganda, Andre Ndagijimana, Oscar Benimana

Issue: Volume 2, Issue 2, April 2014

Pages: 8-12

Received: 5 March 2014

Accepted: 10 April 2014

Published: 20 April 2014

DOI: 10.11648/j.sjee.20140202.11

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Abstract: A yield of 26.88% of seed oil was obtained from Jatrophacurcas cultivated in Rwanda. Within 2 hours of reaction, the methyl ester (Biodiesel) was produced at a yield of 85.3% from obtained oil through direct base-catalysed trans-esterification process using methanol and sodium hydroxide as alcohol and catalyst. The proportion of 0.6g of NaOH in 20m... Show More

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A Mathematical Model for Estimating the Life-Cycle Costs of Hydrogen-Powered Vehicles

Jungin Kim, Yeonhee Lee

Issue: Volume 2, Issue 2, April 2014

Pages: 13-17

Received: 28 April 2014

Accepted: 8 May 2014

Published: 20 May 2014

DOI: 10.11648/j.sjee.20140202.12

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Abstract: This study provides a mathematical model that delivers fundamental data for developing a pricing strategy for fuel cell electric vehicles (FCEVs). A mathematical model that transforms the life-cycle cost of a hydrogen vehicle into the corresponding gasoline vehicle is designed using cost-benefit analysis and life-cycle analysis. The FCEV obtains ec... Show More

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