Q: Remove the spaces from the following sentence: For instance people in general doubt whether it is diesel- or gasoline cars that especially are the source to particle pollution (only 63% know the right answer). And, only 73% know that it is possible to economize fuel by the way you drive your car.
A: [Forinstancepeopleingeneraldoubtwhetheritisdiesel-orgasolinecarsthatespeciallyarethesourcetoparticlepollution(only63%knowtherightanswer).And,only73%knowthatitispossibletoeconomizefuelbythewayyoudriveyourcar.]

Q: Remove the spaces from the following sentence: There can be big differences in the content of solvents, covering power, durability, and many other things.
A: [Therecanbebigdifferencesinthecontentofsolvents,coveringpower,durability,andmanyotherthings.]

Q: Remove the spaces from the following sentence: Spongebob adventure under sea games , free game games , jumping games , collecting games games , obstacle games , adventure games ,
A: [Spongebobadventureunderseagames,freegamegames,jumpinggames,collectinggamesgames,obstaclegames,adventuregames,]

Q: Remove the spaces from the following sentence: Transfer from Savona to Milan Garibaldi Station (TRIPR) Train station
A:
[TransferfromSavonatoMilanGaribaldiStation(TRIPR)Trainstation]