No one can tally exactly how many lives Bohlin's three-point seat belt has spared, but the consensus among safety experts is at least a million. Millions more have been spared life-altering injuries.

Senate Bill 546, authored by State Sen. Jose Menendez, D-San Antonio, is an expansion of a 2017 law that requires three-point seat belts on school buses made after 2018. This bill would allow ...