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multiple leaf spring

Glossary “multiple leaf spring” Definition:
Leaf springs having a series of flat, steel leaves of varying lengths clamped together with a center bolt extending through them to maintain their position.

MTBE

Glossary “MTBE” Definition:
Methyl Tertiary Butyl Ether. An ether manufactured by reacting methanol and isobutylene. The resulting ether is higher in octane and lower in volatility. MTBE is a fuel oxygenate and is permitted in unleaded gasoline up to a level of 15%.