From the API site:
3. RESOURCE CONSERVING or ENERGY CONSERVING
These designations apply to oils intended for gasoline-engine cars,
vans, and light trucks. Widespread use of “Resource Conserving”
or “Energy Conserving” oils may result in an overall savings of fuel
in the vehicle fleet as a whole
http://www.api.org/certifications/engineoil/categories/upload/motor_oil_guide_2010_120210.pdfI would not advise using this is a wet clutch such as the valkyrie. YMMV, not a professional engineer, and I haven't stayed at a holiday inn express lately.