Even initial safety upgrades are estimated to exceed a combined total of ¥1tn.
No railroad has finished the safety upgrades to date, federal railway regulators said.
The X-33 played into the complex calculus of whether NASA should invest in safety upgrades to the shuttle.
Toyota is required as part of the agreement to install safety upgrades in about 3.2 million of its vehicles.
After promises of safety upgrades, as well as lavish subsidies and public works, the government has wooed local officials into allowing a restart of the reactor.
In recent months, Mr. Nelson has been critical of NASA for budget shuffling, which he said was delaying safety upgrades in the shuttle program.
The plan requires companies to have rigorous independent inspections and to help pay for fire safety upgrades, like adding fire escapes, which many factories still lack.
"This agreement achieves our goal of protecting workers at the refinery and ensuring that critical safety upgrades are made as quickly as possible," Ms. Solis said.
The manufacturer of the world's cheapest car, the Tata Nano, has announced it will provide free safety upgrades after a number of the vehicles mysteriously caught fire.
The goal of the campaign has since climbed to $7 million, and construction of the safety upgrades had not begun as of last week.
Among other ideas, he wants to legalize thousands of basement apartments and secondary residences, to give tenants protections, and to enable landlords to make health and safety upgrades.
