1.   And for all they know, those pins will, for no amount of kindling would make them burn beyond wrinkling the paint a little bit.

2.   Rather than requiring a specific oxygenate to make gasoline burn cleaner, perhaps Arizona should simply set a performance standard, Domsky said.

3.   Refiners are attracted to MMT because it is often roughly half as expensive to use as existing octane enhancers, which make gasoline burn more smoothly.

4.   The contrast with what she had hoped for in the way of friendship made her burn with shame.