A Summary Oof Aan Article

Alternative fuels and technologies are expected to replace petroleum in the future, albeit most of thethough most transportsation in the US utilizes petroleum.

"Transports" and "transportation" don't mean the exact same thing, so I'm not completely sure about the replacement.

"Albeit" isn't really used to introduce independent clauses.

In this case, alternatives should be at least price -competitive if they want to take oncompete with petroleum.

"Take on" for this context seems slightly informal.

Whether or nto these alternatives can decrease U.S. reliance on petroleum depends on their penetration into the transport fuel market.

Alternatives are split up into biofuels and energy sources like hydrogen and electricity.

In the active voice, "split up" suggests that these alternatives undergo a transformation that split them into these things. The passive voice correctly indicates that this is a question of categorization.

Since modificatying transports is costly, hence, new "flexfuel" vehicles will be made to utilize both e85 and 100 percentpure gasoline.

In this position, "hence" is extraneous and splits up the main idea. It could work at the beginning of the sentence, although it could possibly still be regarded as unnecessary there.

BesidesAdditionally, ethanol has becaome price competitive with gasoline thanks to a government subsidy; e85 will be produced more if it's famousbetter known.

"Besides" is used with more negative connotations.

Tariffs in Brazil are huge impediments for sugar-based ethanol distribution to the US, thus,; ethanol can penetrate the transport fuel market much faster if these tariffs decrease.

"Thus" is technically correct but sounds redundant since the conclusion it prefaces is already strongly implied by the previous sentence.

The fact thatAs cellulosic ethanol's feedstock is cheap, it's believed tohat it will be a strong rival to petroleum in the future.

"It's believed to be" suggests something in the present.

Furthermore, Honda Motor Company has managed to transform the sugar in cellulose into alcohol.

Or "managed to find a way." With the current wording, the present perfect is better because it describes something ongoing.

This way, this biomass doesn't require mainuch agricultural land.

By doing soConsequently, biodiesel's production cost approaches to that of petroleum diesel's.

To me, "by doing so" suggests that the actor (here, those who combine petrol and biodiesel) also experiences the effect of the actor's actions (the cost reduction).

In comparison with petroleum, biofuels are much safer tofor the atmosphere, although the inputs that are used to get the necessary feedstock for biofuels can badly affect the environment.

So, before being sure aboutThus, a close examination is required to assess the effects of biofuel production, a close examination is required.

Battery-powered electric vehicles stand a chance of decreasing U.S. reliance on petroleum, yet itwhether or not they are successful also depends on the development of battery technology.

You could possibly also truncate that to "that."

RegardingAs to fuel-cell cars, they have to fix some of their technical issues, and so doir technical issues must be fixed, as is also the case for plug-in hybrid vehicles.

"Regarding" in this context could also work, but I find the resulting wording awkward.

In order to make these cars competitive with their internal combustion engine, the government applied regulations toincentivized vehicle companies to produce more electric cars and gave tax credits to customers who bought hybrid vehicles.

Despite the fact that sales of the hybrid vehicles succedehave been good, it's uncertain if the tax credits keep consumers buy these vehicles.

"Succeed" in the context of a sale will be about whether or not the seller was able to sell something. It doesn't really fit bulk sales like what you're describing.

At last, biofuels weare on the crest of a wave through subsidies, but they will lose subsidies and will be byon themselvesir own before long.

Alternative fuels and technologies are expected to replace petroleum in the future, albeit most of thethough transportsation in the US utilizemainly uses petroleum.

In this case, alternatives should be at least price -competitive if they want to take on petroleum.

Alternatives split upare divided into biofuels and energy sources like hydrogen and electricity.

Since modificatying transports is costly, hence, new "flexfuel" vehicles will be made to utilize both e85 and 100 percent gasoline.

BesidesIn addition, ethanol has becaome price -competitive with gasoline thanks to a government subsidy; e85 will be produced more if it's famous is more well known.

Tariffs in Brazil are huge impediments for sugar-based ethanol distribution to the US, thus; as a result, ethanol can penetrate the transport fuel market much faster if these tariffs decrease.

TBecause of the fact that cellulosic ethanol's feedstock is cheap, it's believed to be a strong rival to petroleum in the future.

By doing so, biodiesel's production cost approaches tohat of petroleum diesel's.

In comparison with petroleum, biofuels are much safer tofor the atmosphere, although inputs that are used to get the necessary feedstock for biofuels can badly affect the environment.

So, before being sure about the effects of biofuel production, a close examination is requiAs a result, a close examination of the effects of biofuel production is required before one can be sure what they ared.

Battery-powered electric vehicles stand a chance of decreasing U.S. reliance on petroleum, yet ithey also depends on the development of battery technology.

Despite the fact that sales of the hybrid vehicles succededwent up, it's uncertain if the tax credits keep consumers buy these vehicleis increase in consumer sales is due to tax credits.

At last, biofuels were on the crest of a wave through subsidies, but they will lose subsidies and will be by themselves before long.

I'm not entirely sure what you mean by this sentence.