The Renewable Fuel Standards states that a portion of America's gasoline must contain what:

PLZ ANSWER 45 POINTS AND PLZ ANSWER SHORT AND CORRECTLY

Explanation:

The Renewable Fuel Standard (RFS) is a federal program that was established under the Energy Policy Act of 2005 (EPAct), which requires that transportation fuels sold in the united states of America must have a certain minimum volume of fuels from renewable sources. The renewable fuels, as required by the federal program would be blended into the transportation fuels in a yearly increasing order, expecting to reach 36 billion gallons by 2022.

The Energy Independence and Security Act of 2007 (EISA) further amended the RFS program and set the volumes in the attached document.

The pathways approved by EPA for the RFS program are shown below

Diesels from biomass must achieve 50% lifecycle Green House Gas (GHG) reduction .

Biofuels produced from Cellulose must meet 60% lifecycle GHG reduction.  

Advanced biofuel must meet a 50% GHG reduction and should be produced from qualifying renewable biomass.

Renewable (or conventional) fuel must meet a 20% lifecycle GHG reduction

the three roles stated in the dialogue develop the siblings' personalities.

lloyd's personality looks like a trademarketer

dana's personality is afraid from lloyd's behavior and the oldest sister is a decided person who tries to solve any conflict