Filed under: Car Buying , Hybrid , Japan , Plants/Manufacturing , Hatchback , Toyota When we last asked Toyota representatives about the production capacity of the 2012 Prius C , we were told the company’s Iwate, Japan plant could make up to 30,000 units each month. That sounds like a lot, but Toyota is currently sending just 20 percent – 6,000 a month – to the United States. Back in December, when the car went on sale in Japan, the company received 120,000 orders in the first five days it was on sale . As we noted last week , Toyota also sold 1,200 Prius C units in the first three days it was on sale in the States. The baby Prius may not be as popular here as it is at home, but 6,000 a month sure doesn’t seem like it’s enough. The C is made at just one plant, run by Toyota’s Kanto Auto Works Ltd. affiliate in northern Japan. A strong yen and all those Japanese orders means that the C models that do get made are mostly delivered to the home country instead of be placed on a boat to be exported. Toyota originally planned to produce just 20,000 C models a month, and is now looking at how to go over even the 30,000-unit level. By increasing efficiencies at the plant and moving production of non-Prius C models (specifically, the not-available-in-the-U.S.