![Dunlap Coke Ovens Museum is site of hundreds of derelict beehive ovens used to turn the area's coal into the fuel known as coke Stock Photo - Alamy Dunlap Coke Ovens Museum is site of hundreds of derelict beehive ovens used to turn the area's coal into the fuel known as coke Stock Photo - Alamy](https://c8.alamy.com/comp/HEEEAY/dunlap-coke-ovens-museum-is-site-of-hundreds-of-derelict-beehive-ovens-HEEEAY.jpg)
Dunlap Coke Ovens Museum is site of hundreds of derelict beehive ovens used to turn the area's coal into the fuel known as coke Stock Photo - Alamy
![Coke oven' operation in Colorado mountains once produced 6 million tons of coke annually | OutThere Colorado Coke oven' operation in Colorado mountains once produced 6 million tons of coke annually | OutThere Colorado](https://bloximages.newyork1.vip.townnews.com/outtherecolorado.com/content/tncms/assets/v3/editorial/1/3b/13bc86b3-2118-55e7-85a3-8c1aea7def98/5eecde2c11cec.image.jpg?crop=683%2C683%2C170%2C0&resize=1200%2C1200&order=crop%2Cresize)
Coke oven' operation in Colorado mountains once produced 6 million tons of coke annually | OutThere Colorado
![Birthplace of an industry: Study focuses on 'little corner of Pennsylvania' and its role in coal, coke businesses | Pittsburgh Post-Gazette Birthplace of an industry: Study focuses on 'little corner of Pennsylvania' and its role in coal, coke businesses | Pittsburgh Post-Gazette](https://9b16f79ca967fd0708d1-2713572fef44aa49ec323e813b06d2d9.ssl.cf2.rackcdn.com/1140x_a10-7_cTC/beehive0929-coke-oven-1568969426.jpg)
Birthplace of an industry: Study focuses on 'little corner of Pennsylvania' and its role in coal, coke businesses | Pittsburgh Post-Gazette
![Essen, Germany, February 8, 2022: Battery with coke ovens and coking ovens in a former large coking plant for refining coal Stock Photo - Alamy Essen, Germany, February 8, 2022: Battery with coke ovens and coking ovens in a former large coking plant for refining coal Stock Photo - Alamy](https://c8.alamy.com/comp/2J1AHMP/essen-germany-february-8-2022-battery-with-coke-ovens-and-coking-ovens-in-a-former-large-coking-plant-for-refining-coal-2J1AHMP.jpg)
Essen, Germany, February 8, 2022: Battery with coke ovens and coking ovens in a former large coking plant for refining coal Stock Photo - Alamy
![Coal Processing. Coke Oven Process - Vector Illustration Stock Vector - Illustration of coke, stage: 158237830 Coal Processing. Coke Oven Process - Vector Illustration Stock Vector - Illustration of coke, stage: 158237830](https://thumbs.dreamstime.com/z/industrial-production-coke-coal-called-coking-coal-baked-airless-kiln-coke-furnace-coking-oven-158237830.jpg)
Coal Processing. Coke Oven Process - Vector Illustration Stock Vector - Illustration of coke, stage: 158237830
![Coke oven' operation in Colorado mountains once produced 6 million tons of coke annually | OutThere Colorado Coke oven' operation in Colorado mountains once produced 6 million tons of coke annually | OutThere Colorado](https://bloximages.newyork1.vip.townnews.com/outtherecolorado.com/content/tncms/assets/v3/editorial/3/5b/35b35285-241e-58cc-92fb-6ac26e8b7c67/5eecde2b235ca.image.jpg?resize=750%2C500)
Coke oven' operation in Colorado mountains once produced 6 million tons of coke annually | OutThere Colorado
![Applied Sciences | Free Full-Text | A New Coking Coal Charging Method for 6 m Top-Charged Coke Oven: System Design and Experiment Applied Sciences | Free Full-Text | A New Coking Coal Charging Method for 6 m Top-Charged Coke Oven: System Design and Experiment](https://www.mdpi.com/applsci/applsci-11-00033/article_deploy/html/images/applsci-11-00033-g004a.png)