The number of cars has increased significantly in major cities. What problems does this cause and what are some solutions to these problems?

The number of vehicles, including automobiles, cars, trucks, buses, trolleybuses, shuttle buses used in public

transportation

, delivery of goods and for personal purposes has dramatically risen throughout the

last

decades.

This

essay will

first

suggest that the most pressing issue brought about by

this

phenomenon is the air pollution contributing to the deterioration of the

environment

and climate change and

then

submit using

biofuels

as the most viable solution. The foremost problem caused by the growing amount of vehicles is the contamination of the

environment

. Massive CO2

emissions

deplete the ozone layer protecting our planet from the adverse effects of ultra-violet radiation.

Moreover

, they contribute to the

greenhouse

effect resulting in rising temperatures, global warming, shifting of climate and precipitation patterns, the disturbance of animals' natural habitats and lead to an increasing number of calamities like floods, avalanches, heavy thunderstorms, rising sea levels, tornadoes and tsunami, which, in turn, are likely to cause more significant immediate damage. Not to mention the ailments and diseases directly incited by the poor air conditions.

Thus

, carbon dioxide

emissions

coming from burning fossil

fuels

in different branches of the economy, including

transportation

, have already worsened our

environment

and are continuing to aggravate the existing problems.

For example

,

transportation

accounted for 29 per cent of all

greenhouse

gas

emissions

in 2017 in the U.S., the same case applies to the European countries, and even if we can't physically see the effects of

this

phenomenon it incrementally affects every dimension of our lives. A possible solution to

this

problem would be to replace the fossil

fuels

used in

transportation

with biodiesels

,

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since they are less detrimental to the

environment

and relatively easy to produce. Biofuel is made through the contemporary processes from biomass, rather than by the extremely slow geological processes involved in the formation of fossils,

such

as oil. Biofuel does not require the engine modification of the vehicle and is extremely helpful in mitigation of the

greenhouse

effect and carbon fixation.

For instance

, in 2019

biofuels

provided 3% of the world's

fuels

for road transport and the International Energy Agency expects

biofuels

to meet more than a quarter of world demand for

transportation

fuels

by 2050. To conclude, the rising amount of

transportation

means for the

last

decades and corresponding environmental degradation is one of the most critical challenges the humanity faces and its devastating ramifications can be observed right now, but a possible solution could be substitution of the fossil

fuels

in the industry and

transportation

by renewable energy sources, especially

biofuels

, which are regarded as the best means to alleviate the impact of the

greenhouse

gas

emissions

.