It seems that despite adopting: — a lithium - ion battery; — a «high - pressure direct fuel injection that replaced the less - efficient multi-port injection type»; — a new Hydra - Matic six - speed automatic transmission that replaces the
conventional four speed used previously; — a «new BAS design [that is supposed to] ha [ve] noteworthy fuel
economy gains compared to the earlier
system»; — all those «talks» of «advancements gained from production of multiple generations of hybrid technology as well as development of the Chevy Volt»; — and significantly less horsepower and oomph
than an Accord hybrid that was first debuted 7 years ago, there are actually little to show for any significant advancement in fuel
economy from GM's latest hybrid.