<a href="http://www.nytimes.com/2015/05/22/automobiles/wheels/schools-turn-to-propane-buses-as-stricter-emissions-standards-loom.html?partner=rssnyt&amp;emc=rss"><img src="http://static01.nyt.com/images/2015/05/22/business/propane1/propane1-thumbStandard.jpg" border="0" height="75" width="75" hspace="4" align="left" /></a>Propane is increasingly attractive as an alternative to diesel, as its environmental impact is smaller and the price is right.<div><a href="http://www.nytimes.com/2015/05/22/automobiles/wheels/schools-turn-to-propane-buses-as-stricter-emissions-standards-loom.html?partner=rssnyt&amp;emc=rss" target="_blank">Original link</a></div><div>Original author: DIANE</div>