EnvironmentalSustainability

Products designed with the environment in mind. Zinc-free and biodegradable lubricants, re-refined base stocks, ashless formulations, and renewable fuels — engineered to let you work in sensitive areas without leaving a mark.

Built for Sensitive Work

We know you work in environmentally sensitive areas.

Protecting the earth is all our responsibility. Star West partners with Phillips 66, Summit Lubricants, Aspen Fuels, Shell, and Tidewater Renewables to bring you lubricants and fuels engineered for lower footprint — zinc-free, biodegradable, re-refined, and renewable options for every operation.

  • Mining
  • Construction / Pipeline
  • Forestry
  • Marine
  • Manufacturing
  • Industrial Plant
  • Agriculture
  • Landscaping
  • Zinc-free

    Non-toxic to aquatic life

    Powerflow NZ and EnviroTech EAL hydraulic oils — inherently biodegradable, OECD 301B rated.

  • 70%+

    Re-refined base stocks

    Firebird and Shield Firebird lubricants blend re-refined base stocks to cut used-oil disposal impact.

  • 60%

    Renewable content

    The synthetic oil in Aspen 2 is up to 60% renewable, biodegradable, and free of ash and solvents.

  • 80%+

    Renewable diesel GHG cut

    Tidewater HDRD delivers 15 gCO₂e/MJ vs. 94.38 for conventional diesel — an 80%+ lifecycle reduction.

Sustainability Library

Reports and brochures.

Our own sustainability reporting and the supplier literature that informs it — download any of them for a deeper look.

Lubricants Catalog

Lower-footprint lubricants, by family.

Tap any family to see the full line. Specs, OEM approvals, and viscosity grades live in the technical data sheets — reach out and we'll send the right one.

Zinc-Free Hydraulic Oils

Non-toxic, inherently biodegradable anti-wear hydraulic oils — Powerflow NZ series.

3 products
  • Powerflow™ NZ Hydraulic Oil

    Zinc-free anti-wear hydraulic oil for industrial and mobile equipment in environmentally sensitive areas. Non-toxic to fish and aquatic species (OECD 203 1-12), inherently biodegradable (OECD 301B), passes the U.S. EPA Static Sheen Test.

  • Powerflow™ NZ HE Hydraulic Oil

    High-VI, zinc-free anti-wear hydraulic oil for off-road equipment over a wide temperature range. Separates from water. Inherently biodegradable (OECD 301B) and passes the Static Sheen Test.

  • Powerflow™ NZ HE-E Hydraulic Oil

    High-VI, zinc-free anti-wear oil that emulsifies readily with water — recommended for Hitachi, John Deere, and other off-road equipment operating in wet conditions where an emulsifiable fluid is specified.

EnviroTech® EAL Hydraulic Oils

Vegetable-based, ashless, ultimately biodegradable hydraulic oils compliant with the 2013 Vessel General Permit.

1 product
  • EnviroTech® EAL H-46 Extreme

    Premium environmentally-responsible hydraulic fluid — zinc-free, inhibited against rust and corrosion, satisfies ultimate biodegradability and non-toxicity for use in environmentally sensitive areas. Meets US Fed Spec AA50354; highest biodegradability rating (Pw1); biobased lubricant qualifying for U.S. federal procurement preference under FSRIA section 9002.

EnviroTech® EAL EP Gear Oils

Biosynthetic EP gear lubricants for spur, helical, bevel, and worm gears under heavy or shock loading.

1 product
  • EnviroTech® EAL EP Gear Oil Series

    Ultimately biodegradable (Pw1) and non-toxic; classified as biodegradable, minimally toxic, and not bioaccumulative per the 2013 Vessel General Permit. Meets U.S. Steel 224, AGMA 9005/250.04, DIN 51517 Part 3, David Brown DB S1.53.101, and Cincinnati Machine E.P.

Re-Refined Base-Stock Lubricants

Premium-quality lubricants blended with high-purity re-refined base stocks to lessen the impact of used-oil disposal.

3 products
  • Firebird® Tractor Hydraulic Fluid

    Environmentally responsible tractor transmission/hydraulic/brake fluid formulated with ≥70% re-refined base stocks. Meets the performance requirements of all major farm-equipment brands that use a common fluid reservoir.

  • Firebird AW Hydraulic Oil

    Anti-wear hydraulic oil for industrial, mobile, and marine systems — blended with re-refined base stocks to reduce the environmental impact of used-oil disposal.

  • Shield® Firebird Passenger Car Motor Oil

    Part-synthetic passenger-car engine oil formulated with a blend of synthetic and 70%+ re-refined base stocks. Protects turbo-GDI, conventional, and flex-fuel gasoline engines under all operating conditions.

Ashless Ecoterra® Specialty Lubricants

Ashless, chlorine-free lubricants for heavy-industry applications with reduced environmental impact.

2 products
  • Ecoterra® Rock Drill Fluid

    Adhesive, extreme-pressure lubricant for percussion rock drills in surface and underground mining; also for jackhammers, pavement breakers, and drifters. Ashless, chlorine-free additive package.

  • Ecoterra® Paper Machine Oil

    Ashless circulating oil for modern paper-making machines. Excellent detergency with strong water-separating properties. No zinc or heavy metals; non-toxic to aquatic species.

Gas Engine Oils

Low-emission engine oils for natural gas and landfill-gas applications.

2 products
  • El Mar® LF-D GEO

    Next-generation, low-ash gas engine oil for landfill-gas applications. Especially effective at controlling silica deposits from combustion of siloxane gases found in many landfills.

  • Guardol® NG Natural Gas Engine Oil

    Dispersant-detergent gas engine oil for vehicular natural gas engines. Higher anti-wear level matches the enhanced wear-protection needs of diesel engines converted to CNG/LNG service — Cummins, Detroit Diesel, John Deere.

Low-Emission Diesel Engine Oils

Guardol series API CK-4 and FA-4 engine oils designed to protect modern low-emission diesels and aftertreatment.

4 products
  • Guardol Eco™ Diesel Engine Oil

    Environmentally responsible API CK-4 engine oil for 4-stroke diesels meeting 2007+ EPA standards, with exhaust aftertreatment compatibility (DPF, DOC, SCR). Backward-serviceable to pre-2007 engines.

  • Guardol FE® Synthetic Blend (API FA-4)

    Part-synthetic API FA-4 oil engineered for fuel economy in 2014-and-newer engines. Low-SAPS additive package + exclusive Liquid Titanium® protection for enhanced oxidation and wear control.

  • Guardol XT™ Full Synthetic Diesel Engine Oil

    Full-synthetic CK-4 engine oil for severe duty and extreme temperatures. 5W-40 or 0W-40 viscosity for excellent low-temperature performance; backward-serviceable to older diesels.

  • Guardol Euro Full Synthetic Diesel Engine Oil

    Full-synthetic CK-4 engine oil for European diesels. Compatible with DPF, DOC, and SCR aftertreatment; excellent cold-climate performance.

The Live Catalogue

Products carrying a lower-impact claim.

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Choose a category first

Environmental Products

31 products

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Showing 24 of 31 products

Standards & Certifications

Tested, rated, and rated again.

  • OECD 203 (Aquatic Toxicity)
  • OECD 301B (Biodegradability)
  • U.S. EPA Static Sheen Test
  • 2013 Vessel General Permit
  • US Fed Spec AA50354
  • USDA BioPreferred (FSRIA §9001)
  • U.S. Steel 224
  • AGMA 9005 / 250.04
  • DIN 51517 Part 3
  • Cincinnati Machine E.P.
  • API CK-4 / FA-4

Build your greener program.

Tell us about your operation and we'll put together a lubricant and fuel plan that lowers your footprint without compromising the gear. Renewable diesel, biodegradable hydraulics, re-refined motor oils, and the service behind them.