automatic braking
Toyota says it will offer automatic braking by 2017
US voluntary deal with 20 car companies to make it standard offers 20-year time line.
Automakers to put automatic braking in cars by 2022
Voluntary agreement with 20 car manufacturers will deliver safety feature faster.
Auto industry, regulators move slowly on automatic braking
Government is trying to work out a voluntary agreement with automakers to get it in cars more quickly.