QUES: One potential solution cleanerburning alternative fuels is receiving considerable attention

correct the punctuation.

CORRECTED: One potential solution, cleaner-burning alternative fuels, is receiving considerable attention.

QUES: The MiG 23 was used by all WarsawPact countries in Europe

correct the punctuation.

CORRECTED: The MiG 23 was used by all Warsaw-Pact countries in Europe.

QUES: If this fails the Ombudsman can make recommendations to the institution concerned If it does not accept her recommendations she can make a special report to the European Parliament so that it can take whatever political action is necessary

correct the punctuation.

CORRECTED:
If this fails, the Ombudsman can make recommendations to the institution concerned. If it does not accept her recommendations, she can make a special report to the European Parliament so that it can take whatever political action is necessary.