Evolution
The Bullet has evolved from a four-valve engine with exposed valve-gear to the latest all-alloy unit construction engine with electronic fuel-injection.
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Famous quotes containing the word evolution:
“The more specific idea of evolution now reached is—a change from an indefinite, incoherent homogeneity to a definite, coherent heterogeneity, accompanying the dissipation of motion and integration of matter.”
—Herbert Spencer (1820–1903)