And with its ultra-low emissions, it's an environmentally friendly way to motor around your city.

因为它尾气排放非常低，所以它在城市里行驶将非常环保。

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Homogenous Charge Compression Ignition (HCCI) combustion technology is receiving increased attention for its ultra-low NOx and PM emissions and high thermal efficiency.

均质压燃(HCCI)燃烧技术以其低氮氧化物、低微粒排放和高热效率的优点而引起世界各国的广泛关注。

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Ultra-low sulfur diesel fuel is highly refined for clean, complete combustion and low emission enabling the use of emissions treatment systems.

超低硫柴油是通过精炼的清洁，可完全燃烧的低排放燃油，它为排放控制装置的使用创造了条件。

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Another team from a public high school in one of the most disadvantaged neighborhoods in Philadelphia successfully created a low carbon emissions and ultra-high efficiency alternative fuel vehicle which competed against collegiate and corporate teams.

FORBES: Building A Generation of Sustainability Mavericks Because We Can, Or Because We Have To