Published August 14, 2012 at 160 × 160 in Bio-Based Hydraulic Fluid ← Previous Next → Stig Westling of Sirona Fuels, and Skip-to-Renew shows off a new batch of non-toxic plant based biodegradable hydraulic fluid. Stig Westling of Sirona Fuels, and Skip-to-Renew shows off a new batch of non-toxic plant based biodegradable hydraulic fluid.