 Complete the following phrase:  Although the manufacturers initial range was restricted to light cars, their popularity as taxis led to the production of delivery vans and other small utility style vehicles. The 1943 cc 12 CV 9 kW four-cylinder model used mainly as a taxi was extremely successful and survived in production for nearly 20 years. The engine was enlarged later to 2120 cc. During World War I, taxis made by the company participated in the 