Complex sentence: In June 1999, a new generation of Bongo vans and trucks went on sale, which were also rebadged as the Mazda E-series, Ford Econovan, Mitsubishi Delica, and Nissan Vanette.
Split into simpler sentences: In June 1999, a new generation of Bongo vans and trucks went on sale. It was also rebadged as the Mazda E-series, Ford Econovan, Mitsubishi Delica, and Nissan Vanette.