Which is better for my essay? Many automotive companies are developing the technology to be the first to promote an entire self-driving vehicle on today's roads. There is a catch.
or
Many automotive companies are developing the technology to be the first to promote an entire self-driving vehicle on today's roads, but there is a catch.

The second one is better.

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sinco

the narrator is a first person, participant one, who describes in the simple past tense important and difficult events in his earlier life. he also provides temporal markers as the month (january) and the time (12: 30 pm). finally the account of his experience is very detailed, to the extent that a participant narrator would talk the same way about his experiences. a good example of such detail is the mention of the “bovril ration” which historically was a native american food adopted by european explorers in arctic and antarctic regions due to its high level of calories.