1. Biofuels and bioproducts from wet and gaseous waste streams: challenges and opportunities;DOE,2017
2. Billion-ton report: advancing domestic resources for a thriving bioeconomy;Langholtz,2016
3. Food recovery hierarchy;EPA,2017
4. Advancing sustainable materials management: 2014 fact sheet;EPA,2016
5. Standards of performance for new stationary sources. CFR vol. 40 § 60.