For several years, the use of oil for driving vehicles, generating power and many other activities has caused world to become highly dependent on it, which is running out. The paper purposes clarify Biodiesel stands out among these alternatives as a potential replacement petroleum diesel, it obtained through transesterification vegetable oils or animal fat. As methodology, study opted case usin...

In this paper, several critical issues related to Chinese high-speed rails (CHSR) are analyzed, investigated and discussed, including development background, reasons for high ticket fare, some typical factors that influence the environmental life-cycle assessment, time and cost comparison of typical door-to-door travel routes between different transport modes and complementary strategies among ...