A lot has to do with the precise planning of its body shell, which is stronger and comes with additional refinement measures and enhanced technology goodies. (rediff.com)
Thanks to automatic engine stop / start technology, which could benefit from additional refinement, I saw 19 mpg on the city portion of my drive. (nydailynews.com)
Dr. Dicianno and colleagues write, «Additional refinements of the system are currently undergoing development in order to improve outcomes by increasing usage of each of the modules.» (sciencedaily.com)