@article{ref1,
title="Trends in onroad transportation energy and emissions",
journal="Journal of the Air and Waste Management Association (1995)",
year="2018",
author="Altshuler, Samuel L. and Bachmann, John D.",
volume="68",
number="6",
pages="511-513",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1096-2247",
doi="10.1080/10962247.2018.1458562",
url="http://dx.doi.org/10.1080/10962247.2018.1458562"
}