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Iowans Win

Corn kernels
Corn grows Iowa

When corn grows Iowa, Iowans win.

We like to say Iowa grows corn, but the truth is – Corn Grows Iowa. You’ve probably experienced the “highway view” of corn as you travel our great state. But take a closer look, and you’ll discover the many connections you have to corn. And those connections, big and small, translate into wins for you, wins for farmers, wins for Iowans.

Corn kernel

Corn grows fuel, Iowans win.

A renewable fuel that’s better for our environment, our health, our wallets – and grown right in our backyard? That’s corn-based ethanol, and Iowa produces more of it than any other state giving you an abundance of choice at the pump. But all that choice can be confusing. Let’s break down the options (you can also use our Vehicle Fuel Finder to find the best fuel for your vehicle, plus locate where to fuel up in Iowa).



  • 10% ethanol, 90% gasoline
  • Can be used in any vehicle, as well as lawn mowers, snowblowers, boats and other small engines
  • Over 97% of the fuel sold in the U.S. today contains at least 10% ethanol
  • Save as much as 50 cents per gallon compared to premium



  • 15% ethanol, 85% gasoline
  • Good for all vehicles 2001 and newer, with the exception of small engines
  • Cleaner burning, higher octane boosts engine efficiency
  • Save as much as 70 cents per gallon compared to premium


(Flex Fuel)

  • 85% ethanol, 15% gasoline
  • For use only in Flex Fuel Vehicles – usually indicated by a yellow gas cap or ring, or is listed on the inside of your fuel filler door
  • Save as much as $1 per gallon compared to premium

A win for your health and the environment.

Choosing ethanol at the pump means a healthier environment and healthier you. Ethanol helps reduce greenhouse gas (GHG) emissions by 43% while also decreasing the amount of particulate matter, carbon monoxide and other toxins in our air – something your lungs and overall respiratory health will thank you for.

Corn kernel

Corn grows food, Iowans win.

When it comes to corn, there’s plenty to go around for fuel AND food. In fact, corn is such a versatile crop that one of the by-products of ethanol, dried distillers grains, is frequently used as a low-cost feed ingredient that’s rich in protein, fat, minerals and vitamins that animals need. Basically, we can thank corn for the meat, dairy and eggs we all enjoy. Not to mention the countless number of other products that can be made from corn.

Corn kernel

Corn grows conservation, Iowans win.

The wins we experience at the pump and in the grocery store start with conservation wins on Iowa farms.

More than 97% of Iowa’s farms are family-owned, which means that not only are they focused on growing a crop we all benefit from, they’re also deeply vested in leaving a legacy for the next generation of their family. To do that requires the utmost care of our water and soil.

From adopting sustainable farm practices like cover crops and no-till that protect our soil, to reducing fertilizer use with on-farm technology, learn more about how Iowa farmers care about the water we share.

Let’s see your wins.

Grilling up a corn-fed steak, saving money at the pump, grabbing beers with your friends, enjoying Iowa’s rivers and lakes – we want to see YOUR wins. Simply snap a photo that exemplifies a “win” for you and for Iowans. Then post to social with #iowanswin, and you’ll see your photo below – plus you’ll be eligible for some fun, corny giveaways.

© 2023 Iowa Corn Promotion Board/Iowa Corn Growers Association. All rights reserved.