Collected Publications for Scott Irwin

Here We Go Again: How Many Days Does It Take to Plant the U.S. Corn Crop?

Implications of Recent Trends in U.S. Gasoline Consumption for Ethanol

Revisiting the Value of Ethanol in E10 Gasoline Blends

Biodiesel Production Profitability in 2018: Did Headwinds or Tailwinds Dominate?

Small Refinery Exemptions and Biomass-Based Diesel Demand Destruction

How Tough of a Year was 2018 for Ethanol Production Profits?

Why are Ethanol Prices So Low?

Understanding the Price of E85 Relative to E10

What’s Behind Rising E85 Use?

Small Refinery Exemptions and E85 Demand Destruction

IFES 2018: The New, New Era of Grain Prices?

More on Small Refinery Exemptions and Ethanol Demand Destruction

Small Refinery Exemptions and Ethanol Demand Destruction

EPA 2019 RFS Proposed Rulemaking: What You See Is Not What You Get

Measuring the Accuracy of Forecasting Corn and Soybean Yield with Good and Excellent Crop Condition Ratings

Does the Bias in Early Season Crop Condition Ratings for Corn and Soybeans Vary with the Magnitude of the Ratings?

What to Make of High Early Season Crop Condition Ratings for Soybeans

What to Make of High Early Season Crop Condition Ratings for Corn?

Prospects for Timely Planting of the 2018 Soybean Crop

Prospects for Timely Planting of the 2018 Corn Crop

How Many Days Does It Take to Plant the U.S. Corn Crop?

A Pattern Change for Biodiesel Production Profitability in 2017?

What Happened to the Profitability of Ethanol Production in 2017?

Deal-Making on the RFS: Follow the North Star

The Grand Bargain? Trading an E15 RVP Waiver for a RINs Price Cap

How Much Will the Cost of a RINs Bundle Decline if the Conventional Ethanol Gap Disappears?

Fixing the RFS is Getting Easier and Easier

IFES 2017: What Is Up with Soybean Yields?

Still Another Wrinkle in the RFS: A RINs Price Cap

Another Wrinkle in the RFS: The Small Refinery Exemption

Should We Be Surprised about the U.S. Average Yield of Corn and Soybeans in 2017?

The Biodiesel Waiver Provision in the RFS

The Other General Waiver: RFS and Severe Economic Harm

The Value of Soybean Oil in the Soybean Crush: Further Evidence on the Impact of the U.S. Biodiesel Boom

The Relationship between Biodiesel and Soybean Oil Prices

Projecting Biodiesel RINs Prices under Different Policies

How to Think About Biodiesel RINs Prices under Different Policies

Biomass-Based Biodiesel Prices–How Much Does Policy Matter?

EPA Interpretation of the “Inadequate Domestic Supply” Waiver for Renewable Fuels Ruled Invalid: Where to from Here?

Revisiting the Estimation of Biomass-Based Diesel Supply Curves

Filling the Gaps in the Renewable Fuels Standard with Biodiesel

The EPA’s Renewable Fuel Standard Rulemaking for 2018 — Still a Push

What’s Up with Ethanol Production Profits?

What’s Up with Rising Biodiesel Production Profits?

The Role of Weather in the Pattern of Corn Prices over Time

Are There Predictable Crop Price Cycles?

How Should We Use Within-Season Crop Condition Ratings for Corn and Soybeans?

When Should We Start Paying Attention to Crop Condition Ratings for Corn and Soybeans?

What’s Driving the Non-Linear Trend in U.S. Average Soybean Yields?

U.S. Soybean Yield Trends for Irrigated and Non-Irrigated Production

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