Production will soon hit the "blend wall", when ethanol will meet 10% of fuel demand; the EPA allows blends of up to 10% ethanol (more might corrode engines).

产量很快就会遭遇“混合瓶颈”，即乙醇产量达到燃料需求量的10%；epa只允许燃料中最多混合10%的乙醇(乙醇更多将会对发动机造成腐蚀)。

youdao

Some paintings are more minimalistic, and they kind of blend into the wall.

有些画更简约抽象，它们有点儿与墙壁合二为一了。

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In the hallway and lobby, yellowing white floor tile and wall blend of classical painting makes the space elegant, and full of strong comparative.

在走廊和过厅，泛黄的白色铺地瓷砖与墙壁古典绘作的交融使空间优雅简洁，又充满强烈的对比性。

youdao

But some paintings that are more minimalistic, they kind of blend into the wall,

但有些画更简约抽象，它们有点儿与墙壁合二为一了，

喜欢的艺术家 - SpeakingMax英语口语达人

The government of Australia was sufficiently concerned about the possibility that it rejected similar efforts to break the blend wall.

FORBES: Biggest Battle Yet for Biofuels Begins

Refiners are now crashing into what is called a "blend wall, " meaning the feds have forced them to purchase more ethanol than they can safely put in their gasoline.

WSJ: Review & Outlook: The Ethanol Gas-Pump Surcharge

In New Zealand Scion Research works to convert the waste stream from pulp and paper processing into a blend of microbial cell wall debris and plastic called polyhydroxyalkanoate, or PHA. Plant a PHA flower pot into the ground and and it biodegrades.

FORBES: Revving Up Nature's Engines