The non-air-conditioned cabin, already cloying in the monsoon humidity, fills with diesel exhaust as thousands of trucks jostle to pass through a toll plaza on the highway.

• 车内没有空调，印度雨季的湿气使车里的人很倒胃口。阿兰格的卡车现在和成千上万的卡车挤在一起，争相通过高速公路上的一个收费广场。