brown lignite

基本解釋

Typical graft bases are brown coal, brown coal coke, lignite and brown coal derivatives, and also tannins.
典型的接枝基礎(chǔ) 有土狀褐煤、褐煤焦、暗色褐煤和褐煤衍生物，以及鞣酸。
ip.com
Three-quarters of the emissions come from producing and using energy, especially electricity, which is largely generated from coal, much of it dirty, brown lignite.
該國(guó)3/4的溫室氣體排放來自制造業(yè)和能源利用，特別是電能，它主要由煤產(chǎn)生，而且大部分是很臟的褐煤。
The facility, which burns the most polluting lignite "brown" coal from its own mine next door, is earmarked for a full carbon capture and storage prototype, but only by 2015 at the earliest.
該設(shè)施以電廠附近自有礦山產(chǎn)出的污染最嚴(yán)重的褐煤為燃料。盡管該電廠投入進(jìn)行全碳捕獲和儲(chǔ)存技術(shù)的原型設(shè)計(jì)，但該技術(shù)最早要到2015年才能投入使用。

Which makes sense, considering that it's the stuff that coal is made of (lignite coal is soft brown coal formed from geologic pressures on forests that died millions of years ago).
FORBES: Ethanol