The group recorded martyrdom videos at a flat in Walthamstow, east London.
Abdulla Ahmed Ali singled out seven flights to San Francisco, Toronto, Montreal, Washington, New York and Chicago that departed within two-and-a-half hours of each other.
If successful, the explosions could have exceeded the carnage of the September 11 attacks, his trial heard.
He was sentenced to life.
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Transport for London expects 34,000 vehicles a month will be liable for the Toxicity Charge on top of the £11.50 Congestion Charge.
Drivers of the most polluting vehicles will pay the new £10 T-Charge, meaning a daily payment of £21.50 to enter central London.
Police are hunting for the owners of this jewellery which they believe is stolen