The amendment was passed by Michigan voters on November, 4th 2008.
Michigan voters re-elected Engler to his third and final term in 1998.
Michigan voters re-elected him to the position in 2000, 2004, and 2012.
That decision is now enshrined in a constitutional amendment approved last week by Michigan voters.
Earlier this year Michigan voters approved a 50-cent-per-pack tax increase, making the total tax (75 cents) the highest in the country.
Michigan voters remained evenly split between the parties in the presidential election of 1864.
The pollsters added that the economy was increasingly being cited as the biggest issue by Michigan voters.
Romney had, however, previously vowed to Michigan voters that he would not run for president in 1964.
In 2006, nearly 60% of Michigan voters decided to ban affirmative action in university admissions.
Bush's lack of attention to economic issues important to Michigan voters may have been a reason for Kerry's win.