According to a recent government filing obtained by Reuters, U.S. regulators are delaying a ruling on low-speed sound alert requirements for electric and hybrid cars until at least mid-March 2016.

A ruling on this issue has been in the works since 2013, when the National Highway Traffic Safety Administration (NHTSA) estimated that the odds of an electric or hybrid vehicle being involved in a crash with a pedestrian are 19% higher compared with a louder gas-powered vehicle. expand full story