In general, a query is a form of questioning, in a line of inquiry. A query may also refer to: 1  The Queries, a set of 31 questions outlined by Isaac Newton beginning in 1704.  Query (Quaker), a question used for reflection and spiritual exercises among members of the Society of Friends.
Most Fuel Efficient Cars. Gas prices always seem to be rising, so getting a high MPG vehicle is a good idea for most car buyers. Hybrid sedans and electric vehicles often lead the way for fuel economy, but these Top Ten lists will help you discover the most fuel-efficient choices across every vehicle type.
42 mpg highway. The only other diesel on our list is the 2016 Mercedes-Benz E250 Bluetec, a midsize sedan that keeps up, fuel-efficiency-wise, with the smaller BMW diesels on the highway. But the Mercedes is heavier and its city rating drops to 28 mpg, with a combined rating of 33 mpg.