… power, improve efficiency, and reduce pollution from diesel engines of all sizes. From its origins in a small Indiana town 100 years earlier, Cummins had prided itself on value-driven … power, improve efficiency, and reduce pollution from diesel engines of all sizes. From its origins in a small Indiana town 100 years earlier, Cummins had prided itself on value-driven … power, improve efficiency, and reduce pollution from diesel engines of all sizes. From its origins in a small Indiana town 100 years earlier, Cummins had prided itself on value-driven …