In the outlines below we explain what causes each colour of diesel smoke and provide you with links to high quality products that will help you solve these problems.... Black smoke is the most common smoke emitted from diesel engines.It indicates poor and incomplete combustion of the diesel fuel.t the least, that smoke may be due to a simple problem, that is causing poor combustion efficiencyand costing you in excessive fuel bills (eg carboned up engine from excessive idling, stop start operation or short run times).
Harlem Renaissance. For the eponymous basketball team, see New York Renaissance. The Harlem Renaissance was a cultural, social, and artistic explosion that took place in Harlem, New York, spanning the 1920s. During the time, it was known as the New Negro Movement, named after the 1925 anthology by Alain Locke.
The Harlem Renaissance was a movement that spanned the 1920s. The Harlem Renaissance was the name given to the cultural, social, and artistic explosion that took place in Harlem, New York. During the time, it was known as the  New Negro Movement , named after the 1925 anthology by Alain Locke.