In a recent interview, state Rep. Bill Thomas explained his support for Gov. Sean Parnell’s plan to roll back taxes on companies that explore for oil in Alaska, a proposal that would cost the state treasury as much as $2 billion per year.

Parnell’s plan was approved by the state House of Representatives but was blocked in the state Senate. Parnell recently said he’d continue to push for the legislation.

Parnell says the bill is…