Engine oil technology developed for natural Gas Engines

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In line with its development strategy in Natural Gas Vehicle Fuel Sector, TotalEnergies has developed an entire range of engine oils satisfying the special requirements of Natural Gas Engines: Compressed Natural Gas (CNG) and Liquefied Natural Gas (LNG).
Rubia Gas is the engine oil range specially developed for Natural Gas Engines (CNG and LNG) widely used in urban transport especially in buses, deliveries and waste collecting vehicles.

Rubia for Gas applications

The most significant difference of Natural Gas engines is the higher temperatures in engine combustion chamber compared to diesel engines. These higher temperatures cause quicker oxidation of the engine oil, degrading its protective properties.
In order to overcome that challenge, to resist the oxidation further and to protect the engine better Rubia Gas range has excellent thermal stability, oxidation and nitroxidation resistance. Its optimized ash content delivers the performance required in new Natural Gas engine applications avoiding spark plug fouling and deposit formation in the combustion chamber.
TotalEnergies range for Gas applications complies with exclusive Cummins approvals as well as with other dual Diesel/Gas norms.
In addition to its Rubia Gas range, Rubia engine oil range includes a complete range of products approved by the major heavy vehicle manufacturers (Volvo, Scania, DAF, MAN and IVECO) for their Natural Gas Engines.

Rubia Gas Anti-Nitration Technology

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Nitration or Nitroxidation is a degradation process resulting from the reaction of the oil with gaseous NOx created during combustion. Nitration control is a key challenge on natural gas engine oils, especially stoichiometric engines and much more prevalent than in diesel engines.
Rubia Gas with Anti-Nitration technology uses a combination of high-quality base oils and antioxydants in order to reduce nitrogen oxidation problems on CNG and LNG engines. Additionally, Total Rubia Gas high performance detergents help keep spark plugs clean and optimize engine durability.
Product nameFuel EconomyLow SAPSInternational
Specifications
OEM ApprovalsOEM Meets the requirements of
Rubia Gas
9M 15W-40
 yesAPI CK-4/SNCummins CES 20092/20086, Detroit Diesel 93K222, Volvo VDS-4.5. Renault Trucks RLD-3, Mack EO-S 4.5 
Rubia Gas
9M FE 10W-30
yesyesAPI CK-4/SNCummins CES 20092/20086, Detroit Diesel 93K222, Volvo VDS-4.5. Renault Trucks RLD-3, Mack EO-S 4.5 
Rubia Gas
7M 15W-40
 yes  Cummins CES 20085
Rubia Gas
5M 15W-40
 yes Cummins CES 20074 
Rubia Gas
5M 20W-50
 yes  Cummins CES 20074
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