One person died on Saturday during the protests, for which people are wearing high-visibility yellow vests and setting up road blocks across the country.
Almost 283,000 people were estimated to have taken part in more than 2,000 protests at roundabouts and on major motorways and thoroughfares across the country on Saturday, the Interior Ministry said.
Police said three of the 47 injured in separate incidents are in serious condition.
The movement enjoys much more public support than others against Macron since he swept to the presidency a year ago. Officials say that 24 people have been arrested and 17 held for questioning.
French media reports said about 40,000 protesters threw up about 150 roadblocks across France Sunday, compared with about 287,000 protesters and about 2,000 blocked roads during a national "Day of Action" Saturday organized by grassroots movements.
The Interior Ministry said security forces used tear gas in several places to unblock major routes, notably at the access road to the Mont Blanc tunnel where about 30 canisters were fired.
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Police questioned 282 protesters in total, 73 during the night, of whom 157 were taken into custody.
Budget Minister Gerald Darmanin said Sunday the government was aware of unhappiness over high fuel taxes, but said it had "a duty" to transform the French economy with the aim of making it less oil-dependent. Among the injured was a police officer in the Mediterranean city of Grasse.
In the eastern Savoie region, a woman trying to get her daughter to a doctor panicked after protesters surrounded their vehicle and banged on the roof, accelerating into the crowd and killing a 63-year-old woman.
The protesters have dubbed themselves the "yellow jackets" because they wear fluorescent vests that all French drivers must keep in their vehicles in case of auto troubles. They called themselves "yellow jackets" because most were wearing the fluorescent yellow vests that must be kept in vehicles of all French drivers in case of auto troubles.
But he said he would not rescind increases on fuel tax - set to rise again in January.
"The carbon tax will be kept in place". But beyond the diesel issue, many turned out Saturday to voice any number of other frustrations with the "president for the rich", who is seen as increasingly removed from ordinary people's concerns. There are too many taxes in this country, " he said.