𝐌𝐲𝐭𝐡 𝐯𝐬 𝐅𝐚𝐜𝐭: Diesel Generators & Pollution
𝐌𝐲𝐭𝐡: DG sets contribute to pollution only during power cuts.
✅ 𝐅𝐚𝐜𝐭: Diesel generators are employed much more frequently- not only in blackouts, but also for 𝐭𝐞𝐬𝐭𝐢𝐧𝐠, 𝐥𝐨𝐚𝐝 𝐦𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭, 𝐚𝐧𝐝 𝐩𝐞𝐫𝐦𝐚𝐧𝐞𝐧𝐭 𝐩𝐨𝐰𝐞𝐫 𝐬𝐮𝐩𝐩𝐥𝐲 𝐢𝐧 𝐡𝐨𝐬𝐩𝐢𝐭𝐚𝐥𝐬, 𝐝𝐚𝐭𝐚 𝐜𝐞𝐧𝐭𝐞𝐫𝐬, 𝐟𝐚𝐜𝐭𝐨𝐫𝐢𝐞𝐬, 𝐚𝐧𝐝 𝐛𝐢𝐠 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠𝐬.
Although necessary, these DGs emit 𝐥𝐚𝐫𝐠𝐞 𝐚𝐦𝐨𝐮𝐧𝐭𝐬 𝐨𝐟 𝐩𝐚𝐫𝐭𝐢𝐜𝐮𝐥𝐚𝐭𝐞 𝐦𝐚𝐭𝐭𝐞𝐫, contributing to 𝐚𝐢𝐫 𝐩𝐨𝐥𝐥𝐮𝐭𝐢𝐨𝐧 and 𝐝𝐞𝐭𝐞𝐫𝐢𝐨𝐫𝐚𝐭𝐢𝐧𝐠 𝐮𝐫𝐛𝐚𝐧 𝐚𝐢𝐫 𝐪𝐮𝐚𝐥𝐢𝐭𝐲- particularly in 𝐦𝐞𝐭𝐫𝐨 𝐜𝐢𝐭𝐢𝐞𝐬 𝐬𝐮𝐜𝐡 𝐚𝐬 𝐃𝐞𝐥𝐡𝐢.
𝐀𝐧 𝐚𝐛𝐬𝐨𝐥𝐮𝐭𝐞 𝐛𝐚𝐧 𝐨𝐧 𝐃𝐆𝐬 𝐢𝐬 𝐧𝐨𝐭 𝐭𝐡𝐞 𝐚𝐧𝐬𝐰𝐞𝐫.
They're an important component of our infrastructure, providing 𝐫𝐞𝐬𝐢𝐥𝐢𝐞𝐧𝐜𝐞 𝐰𝐡𝐞𝐫𝐞 𝐭𝐡𝐞 𝐠𝐫𝐢𝐝 𝐜𝐚𝐧𝐧𝐨𝐭. The actual solution is to implement 𝐞𝐦𝐢𝐬𝐬𝐢𝐨𝐧 𝐜𝐨𝐧𝐭𝐫𝐨𝐥 𝐭𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 enabling DGs to contribute 𝐫𝐞𝐬𝐩𝐨𝐧𝐬𝐢𝐛𝐥𝐲 𝐚𝐧𝐝 𝐬𝐮𝐬𝐭𝐚𝐢𝐧𝐚𝐛𝐥𝐲.
𝐀𝐧𝐝 𝐭𝐡𝐢𝐬 𝐢𝐬 𝐰𝐡𝐞𝐫𝐞 𝐢𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐨𝐧 𝐜𝐨𝐦𝐞𝐬 𝐢𝐧𝐭𝐨 𝐩𝐥𝐚𝐲.
Businesses like 𝐂𝐡𝐚𝐤𝐫 𝐈𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐨𝐧 are meeting this challenge with technologies like 𝐂𝐡𝐚𝐤𝐫 𝐒𝐡𝐢𝐞𝐥𝐝 - a machine that 𝐭𝐫𝐚𝐩𝐬 𝐚𝐬 𝐦𝐮𝐜𝐡 𝐚𝐬 90% 𝐨𝐟 𝐩𝐚𝐫𝐭𝐢𝐜𝐮𝐥𝐚𝐭𝐞 𝐞𝐦𝐢𝐬𝐬𝐢𝐨𝐧𝐬 straight out of DG exhaust.
It's a 𝐩𝐫𝐚𝐠𝐦𝐚𝐭𝐢𝐜 𝐦𝐨𝐯𝐞 𝐭𝐨𝐰𝐚𝐫𝐝 𝐞𝐪𝐮𝐢𝐥𝐢𝐛𝐫𝐢𝐮𝐦 in 𝐞𝐧𝐞𝐫𝐠𝐲 𝐝𝐞𝐦𝐚𝐧𝐝𝐬 and 𝐞𝐜𝐨𝐥𝐨𝐠𝐢𝐜𝐚𝐥 𝐬𝐭𝐞𝐰𝐚𝐫𝐝𝐬𝐡𝐢𝐩.
Since the aim isn't to halt vital systems - it's to enable them to be 𝐜𝐥𝐞𝐚𝐧𝐞𝐫, 𝐬𝐦𝐚𝐫𝐭𝐞𝐫, 𝐚𝐧𝐝 𝐬𝐮𝐬𝐭𝐚𝐢𝐧𝐚𝐛𝐥𝐞.
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If the train is outfitted with the appropriate number of Direct Air Capture cars that available regenerative braking energy will support, most freight and passenger trains will be significantly carbon negative. The exact CO2 removal tonnage will vary by the speed, weight, route, average slope of the line, and even factors such as ambient air temperature, and humidity. Overall, the average large North American diesel freight train could achieve somewhere in the neighborhood of —40+ t/co2e/day in emission after the diesel emissions are about ~70% mitigated with similar appearing CCS cars and the resulting net emissions accounted for. Results are much higher on electrified lines because all the attached CO2Rail cars (and available regenerative braking energy) can be exclusively dedicated to negative emissions Direct Air Capture operations.