Passenger vehicle retail sales in China reached 1.392 million units in the May 1-28 period this year, up 19.0 percent year on year, while decreasing by 6.0 percent month on month, according to the China Passenger Car Association (CPCA).In the current year up to May 28, passenger vehicle retail sales in China amounted to 7.287 million units, up 2.0 percent year on year.    In the May 1-28 period, new energy passenger vehicle retail sales totaled 483,000 units, up 82.0 percent year on year, while moving sideways month on month.    In the current year up to May 28, new energy passenger vehicle retail sales reached 2.326 million units, up 43.0 percent year on year.