In this result from 2011, astronomers found that gas blown out of galaxies from energetic newborn stars often will fall back into the galaxy, providing additional fuel for new star formation. (hubble25th.org)
For additional fuel savings in the city, the 4 - cylinder features automatic Start - Stop. (cheersandgears.com)
However, during gradient changes, it is possible for a conventional system to accelerate excessively, causing additional fuel consumption. (thetorquereport.com)