Proposed state legislation would curtail the amount of pseudoephedrine Hoosiers can purchase in a year without a doctor's prescription.

Among other provisions, it would allow individual local governments to impose more stringent laws than the state when it comes to the ephedrine and pseudoephedrine, the critical ingredient in the manufacture of methamphetamine.

The bill would also regulate other ingredients.

Vigo and surrounding areas used to lead the state in the number of meth labs.

They are still a problem but more stringent laws making it harder to obtain the ingredients needed have sent many of those labs to other parts of the state.

In 2011, Indiana ranked second in the nation in meth labs.

When you add in Kentucky, Tennessee and Missouri, the four states had more than half the meth labs in the country.