Zero Waste - Zero Cost Equipment Solution

We service 65% of the SONIC stores nationwide. Let us serve you, too!

DAR PRO Solutions, a brand of internationally-known Darling Ingredients, is a Sonic Approved Vendor of used cooking oil services for your locations across the U.S.  We offer top-of-class used cooking oil storage solutions at no charge, with complimentary freight delivery and installation. 

To learn more about our program for SONIC stores, call us at your dedicated line:

We have identified our B.O.S.S. Spacesaver as the ideal system for Sonic stores; other models are available, also at no cost.

  • Our #1 tank installed in 2018.  LESS SPACE - MORE STORAGE!
  • 1350 lbs. / 180 gallon used cooking oil capacity
  • Footprint:  Height: 95" / Width: 48" / Depth: 29"
  • 4 storage shelves rack up against a translucent poly tank, allowing a visual of oil level
  • DAR PRO's direct pump option:  push of a button transfer of used oil from fryers to new tank (other oil transfer options are available)
  • Proprietary anti-theft fitting on outside wall prevents non-authorized removal of your waste oil
  • Simple and safe:  ease of use and simple functionality mean fewer service calls
  • Aggressive rebates: based on the monthly average of the yellow grease market as quoted by the Jacobsen price guide
  • 24/7/365 dedicated customer engagement who understand the Sonic program
  • Our professional grease trap service available in most Sonic markets
  • Our Sonic Zero Waste–Zero Cost Solution requires a 5-year commitment from Sonic Franchisees (this program is not available outside our DAR PRO Solutions service area)

Typical B.O.S.S. SpaceSaver Install

Want to know more about our automated SpaceSaver?


SAVES room and MAKES room ... at the same time!

See our SPEC SHEET for details.

Our Sustainability Promise

100% of your used cooking oil will be processed at one of our company-owned facilities and repurposed into something new.  We can further commit that the equivalent volume picked up from your store will become sustainable, clean-burning biofuel produced at one of our own biodiesel or renewable diesel plants.

Cleaner fuel = Cleaner air

Save money. Save space. Save time.
Call us today to learn how our Sonic program can benefit YOU.