Michigan has an annual funding gap of roughly $2.1 billion to $3.9 billion when it comes to money to maintain the state’s crumbling roads and bridges — even after record federal aid and state bonding is taken into account, according to a new study of the state’s infrastructure costs.

FLINT, Mich. — General Motors says it will spend more than $900 million to update four factories, with the bulk going to an engine plant in Flint, Mich., to build the next-generation V8 for big pickup trucks and SUVs.

Michigan is protective over its automotive legacy — so much so that it laid down $2 billion in taxpayer money to assure the state would be part of the electrification of the car industry.

Congress has authorized funding for a new icebreaker for the Great Lakes, a priority that the shipping industry and Sen. Gary Peters (D-Mich.) have sought for years to fight ice dams in the lakes and surrounding waterways.

Michigan’s gas tax is going up 1.4 cents per gallon starting Jan. 1, thanks to an automatic adjustment written into state law.

A Detroit roadway where electric cars and trucks can recharge via a wireless device while traveling or parked is planned as part of a new venture between Michigan and Israeli company Electreon.

Government leaders in Ontario and Michigan have partnered to advance transportation and mobility technologies in a cross-border testing setting.

The state of Michigan and some private partners are taking steps toward building or assigning dedicated lanes for automated vehicles on a 40-mile stretch of highway between Detroit and Ann Arbor.

Michigan is creating a centralized team to handle future technology issues, with the new Office of Future Mobility and Electrification.

The Michigan Department of Transportation is in the process of assessing and restoring infrastructure after severe flooding swallowed roads and bridges in the east-central portion of the state.