Traditional heat supply based on burning mineralfuel in boilers not only wastes energy but also pollutes environments.
实现建筑节能目标任重道远，传统的燃烧矿物质燃料的锅炉供暖方式不仅浪费能源，而且严重污染环境。
2
The reduction of mineralfuel causes energy crisis and burning of mineralfuel causes greenhouse effect that makes existent environment of people face to great challenge.
矿物燃料枯竭引起的能源危机，燃烧矿物燃料引起的温室效应使得人类的生存环境面临重大挑战。
3
Mineral oils are used for fuel; animal and vegetable oils are used in cooking and medicine, and in many other ways.