Bellwether Coffee: Roasting coffee requires high temperatures — up to 500 degrees Fahrenheit for as much as 20 minutes per batch. Today, the vast majority of that heat is generated by fossil fuels. Most of the world’s coffee is roasted in gas-burning machines that emit carbon dioxide and require elaborate venting and afterburner equipment.
Ricardo Lopez, CEO of Bellwether Coffee, has spent the past 12 years fine-tuning a more climate-friendly, electricity-powered alternative, one that, crucially, cuts down on some of the costs and complexities of other electric roasters.
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