Location: Rosemount
Owner: Flint Hills Resources, a unit of Koch Industries.
Employees: 950
Capacity: 320,000 barrels per day
Crude oil source: Canada, North Dakota.
Products: Gasoline, diesel fuel, jet fuel, asphalt, propane, butane, heating fuel, sulfur for fertilizer.
1955: Refinery opens.
1969: Koch Industries purchases controlling interest, renames it Koch Refining.
1990s: Refinery expands.
1998: State fines refinery $6.9 million for spills and oil leaks; Koch launches multiyear cleanup, plus an effort to cut air emissions by 50 percent.
2000: Koch begins restoring 1,600-acre Pine Bend Bluffs nature area on Mississippi River.
2002: Renamed Flint Hills Resources.
2006: Completes $350 million upgrade to produce ultra-low-sulfur diesel and to increase diesel-to-gasoline conversion; begins reusing wastewater to reduce well-water consumption.
2010: Receives Governor's Safety Award for fourth year in a row for protecting workers from injury.
2011: Reduced flaring of waste gases to a record low of eight hours per year.
Source: Flint Hills, Star Tribune research
The U.S. stock market roared back on Friday, as technology stocks recovered much of their losses from earlier in the week and bitcoin halted its plunge, at least for now.
![Attendees of Frostbike made their way through the convention Saturday at the Quality Bike Products campus in Minneapolis. ] (AARON LAVINSKY/STAR TRIBUNE) aaron.lavinsky@startribune.com Frostbike 2016 was held at the Quality Bike Products Campus on Saturday, Feb. 27, 2016 in Bloomington, Minn.](https://arc.stimg.co/startribunemedia/NH2BSHB74ND2V6GF2G2HI5X4MM.jpg?&w=252&ar=3:2&fit=crop)
