Here is the latest Iowa news from The Associated Press at 4:30 a.m. CDT

DES MOINES, Iowa (AP) — Iowa’s largest utility is in the midst of a $3.6 billion investment in wind power and intends to keep spending on the towers with a goal of producing 100 percent of its energy from renewable sources. The Des Moines Register reports that MidAmerican Energy plans to build 1,000 more turbines over the next couple of years on top of the more than 2,000 it already has around the state. The utility’s share of its energy that comes from renewable sources will jump from 55 percent to nearly 90 percent.

IOWA CITY, Iowa (AP) — Some Iowa City Community School District students snagged an interesting find on a recent nature field trip: a rare Central newt. Chad Swope, who leads the annual field trips, told the Press-Citizen that herpetologists confirmed the small salamander as a Central newt _ a threatened species not native to Johnson County. Fifth-grader Brody Hiscock found the newt in his next as he scooped up turtles, frogs and snails.

EVANSDALE, Iowa (AP) — A passenger in a March single-vehicle crash has been charged with causing the wreck. The Courier reports that 28-year-old Antonio Raymone Harris, of Waterloo, was arrested Thursday and charged with willful injury and two domestic assault counts. Investigators say Harris grabbed the wheel and pulled it toward the ditch, causing the March 7 crash that seriously injured him. The girlfriend suffered only minor injuries in the crash.

CORWITH, Iowa (AP) — A 5,000-head hog confinement has been proposed in north-central Iowa’s Hancock County. The Mason City Globe Gazette reports that Grey Owl Farms VI has filed an application to build the hog confinement about four miles east of Corwith. The Hancock County Board of Supervisors will vote during its regular meeting Monday to set up a public hearing for the application.