Xe g\u1eafn m\u00e1y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng ki\u1ec3u m\u1edbi \u0111\u01b0\u1ee3c m\u1ecdi ng\u01b0\u1eddi hoan ngh\u00eanh, do c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m \u0111i\u1ec1u khi\u1ec3n d\u1ec5 d\u00e0ng, xe ch\u1ea1y linh ho\u1ea1t, nhanh, nh\u1ecf nh\u1eb9, gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng, th\u00edch h\u1ee3p v\u1edbi nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng l\u1ee9a tu\u1ed5i kh\u00e1c nhau. Ch\u1ec9 ri\u00eang \u1edf th\u00e0nh ph\u1ed1 Th\u01b0\u1ee3ng H\u1ea3i, b\u1eaft \u0111\u1ea7u t\u1eeb n\u0103m 1991 \u0111\u1ebfn n\u0103m 1996 \u0111\u00e3 c\u00f3 ch\u1eebng 500.000 chi\u1ebfc xe \u0111\u0103ng k\u00fd l\u01b0u h\u00e0nh, tr\u1edf th\u00e0nh m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng quan tr\u1ecdng c\u1ee7a nh\u00e2n d\u00e2n th\u00e0nh ph\u1ed1. \u0110i\u1ec1u \u0111\u00f3 kh\u00f4ng nh\u1eefng k\u00edch th\u00edch m\u1ea1nh m\u1ebd nhi\u1ec1u h\u00e3ng s\u1ea3n xu\u1ea5t xe g\u1eafn m\u00e1y trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc, m\u00e0 tr\u00ean m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh \u0111\u00e3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c m\u00e2u thu\u1eabn ph\u00e1t sinh do vi\u1ec7c x\u00e2y d\u1ef1ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a \u0111\u00f4 th\u1ecb ch\u01b0a \u0111\u1ed3ng b\u1ed9 v\u00e0 s\u1ef1 \u0111i l\u1ea1i kh\u00f4ng thu\u1eadn ti\u1ec7n c\u1ee7a nh\u00e2n d\u00e2n.<\/p>\n\n\n\n
C\u00f9ng v\u1edbi vi\u1ec7c m\u1edf r\u1ed9ng \u0111\u00f4 th\u1ecb, qu\u00e3ng \u0111\u01b0\u1eddng v\u00e0 th\u1eddi gian \u0111i l\u1ea1i c\u1ee7a ng\u01b0\u1eddi d\u00e2n d\u00e0i ra r\u1ea5t nhi\u1ec1u. Cho n\u00ean ch\u1ecdn xe g\u1eafn m\u00e1y l\u00e0m ph\u01b0\u01a1ng ti\u1ec7n \u0111i l\u1ea1i \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t “b\u01b0\u1edbc \u0111\u1ec7m” trong qu\u00e1 tr\u00ecnh n\u00e2ng c\u1ea5p giao th\u00f4ng c\u1ee7a c\u00e1 nh\u00e2n. G\u1ecdi l\u00e0 “b\u01b0\u1edbc \u0111\u1ec7m” v\u00ec b\u1eaft \u0111\u1ea7u t\u1eeb n\u0103m 1996, xe g\u1eafn m\u00e1y b\u1ecb h\u1ea1n ch\u1ebf nghi\u00eam ng\u1eb7t v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng. T\u1ea1i sao v\u1eady?<\/p>\n\n\n\n
B\u1edfi l\u1ebd, c\u00f9ng v\u1edbi vi\u1ec7c thu\u1eadn ti\u1ec7n khi \u0111i l\u1ea1i, xe m\u00e1y c\u0169ng khi\u1ebfn cho t\u00ecnh tr\u1ea1ng giao th\u00f4ng \u0111\u00f4ng \u0111\u00fac tr\u00ean \u0111\u01b0\u1eddng tr\u1edf n\u00ean tr\u1ea7m tr\u1ecdng h\u01a1n, \u0111\u1ed3ng th\u1eddi l\u00e0m cho vi\u1ec7c qu\u1ea3n l\u00fd giao th\u00f4ng c\u00e0ng kh\u00f3 kh\u0103n h\u01a1n. Xe m\u00e1y tuy c\u00f3 \u0111\u1ed9ng c\u01a1 nh\u01b0ng dung t\u00edch xi lanh (ph\u00e2n kh\u1ed1i) nh\u1ecf v\u00e0 t\u1ed1c \u0111\u1ed9 ch\u1eadm h\u01a1n (so v\u1edbi \u00f4 t\u00f4) n\u00ean \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh, kh\u00f4ng \u0111\u01b0\u1ee3c tranh ph\u1ea7n \u0111\u01b0\u1eddng c\u1ee7a xe c\u01a1 gi\u1edbi. Nh\u01b0ng t\u1ed1c \u0111\u1ed9 c\u1ee7a xe l\u1ea1i nhanh h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi xe \u0111\u1ea1p th\u00f4ng th\u01b0\u1eddng, do v\u1eady xe g\u1eafn m\u00e1y r\u1ea5t d\u1ec5 vi ph\u1ea1m lu\u1eadt l\u1ec7 giao th\u00f4ng, l\u00e1i v\u00e0o ph\u1ea7n \u0111\u01b0\u1eddng xe c\u01a1 gi\u1edbi, ho\u1eb7c ch\u1ea1y lu\u1ed3n l\u00e1ch, ph\u00f3ng nhanh v\u01b0\u1ee3t \u1ea9u tr\u00ean ph\u1ea7n \u0111\u01b0\u1eddng xe \u0111\u1ea1p. Lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng “kh\u00f4ng nhanh, kh\u00f4ng ch\u1eadm” n\u00e0y m\u1ed9t khi ch\u1ea1y ra \u0111\u01b0\u1eddng ph\u1ed1 l\u00e0 t\u1ea1o n\u00ean hi\u1ec7n t\u01b0\u1ee3ng h\u1ed7n lo\u1ea1n giao th\u00f4ng m\u1edbi, l\u00e0m cho s\u1ef1 c\u1ed1 giao th\u00f4ng x\u1ea3y ra th\u01b0\u1eddng xuy\u00ean.<\/p>\n\n\n\n
Tuy nhi\u00ean, nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu h\u01a1n l\u00e0m cho xe g\u1eafn m\u00e1y b\u1ecb h\u1ea1n ch\u1ebf, l\u00e0 do k\u1ebft c\u1ea5u m\u00e1y m\u00f3c v\u00e0 ph\u01b0\u01a1ng th\u1ee9c \u0111\u1ed1t ch\u00e1y nhi\u00ean li\u1ec7u c\u1ee7a n\u00f3 c\u00f3 nh\u1eefng \u0111i\u1ec1u b\u1ea5t c\u1eadp, do \u0111\u00f3 \u0111\u00e3 g\u00e2y \u00f4 nhi\u1ec5m kh\u00ed th\u1ea3i v\u00e0 \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n h\u1ebft s\u1ee9c nghi\u00eam tr\u1ecdng. Theo \u0111i\u1ec1u tra, trong l\u01b0\u1ee3ng kh\u00ed th\u1ea3i c\u1ee7a xe g\u1eafn m\u00e1y, th\u00ec cacbon oxit nhi\u1ec1u g\u1ea5p 3,3 l\u1ea7n, c\u00f2n c\u00e1c h\u1ee3p ch\u1ea5t hy\u0111o cacbua th\u00ec g\u1ea5p 8 l\u1ea7n so v\u1edbi \u00f4 t\u00f4. Trong kh\u00ed th\u1ea3i tho\u00e1t ra \u1edf sau xe c\u00f3 nhi\u1ec1u v\u1eadt ch\u1ea5t c\u00f3 h\u1ea1i, th\u01b0\u1eddng l\u00e0 nh\u1eefng h\u1ea1t r\u1ea5t nh\u1ecf d\u01b0\u1edbi 2 micromet, con ng\u01b0\u1eddi c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng tr\u1ef1c ti\u1ebfp h\u00edt v\u00e0o ph\u1ed5i, l\u00e0 nguy c\u01a1 g\u00e2y ung th\u01b0. M\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng v\u00e0 \u00f4 nhi\u1ec5m c\u1ee7a ch\u1ea5t kh\u00ed do xe g\u1eafn m\u00e1y th\u1ea3i ra, c\u00f2n b\u1edfi \u0111\u00e2y l\u00e0 m\u1ed9t ngu\u1ed3n \u00f4 nhi\u1ec5m c\u1ee1 nh\u1ecf, g\u1ea7n g\u0169i v\u1edbi ng\u01b0\u1eddi \u0111i \u0111\u01b0\u1eddng v\u00e0 khu sinh ho\u1ea1t, v\u1eady n\u00ean con ng\u01b0\u1eddi kh\u00f3 tr\u00e1nh kh\u1ecfi s\u1ef1 \u00f4 nhi\u1ec5m \u0111\u00f3. \u0110\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng ch\u1ea5t \u00f4 nhi\u1ec5m \u0111\u00f3 bay l\u01a1 l\u1eedng \u1edf chi\u1ec1u cao g\u1ea7n m\u1eb7t \u0111\u1ea5t, tr\u1ebb con c\u00e0ng b\u1ecb tr\u1ef1c ti\u1ebfp \u1ea3nh h\u01b0\u1edfng h\u01a1n.<\/p>\n\n\n\n
\u00d4 nhi\u1ec5m ti\u1ebfng \u1ed3n khi kh\u1edfi \u0111\u1ed9ng v\u00e0 khi xe ch\u1ea1y c\u0169ng r\u1ea5t nghi\u00eam tr\u1ecdng, n\u00f3 kh\u00f4ng nh\u1eefng \u1ea3nh h\u01b0\u1edfng l\u00e2u d\u00e0i \u0111\u1ebfn th\u00ednh gi\u00e1c c\u1ee7a ng\u01b0\u1eddi \u0111i xe v\u00e0 ng\u01b0\u1eddi \u0111i \u0111\u01b0\u1eddng, m\u00e0 c\u00f2n mang s\u1ef1 nguy h\u1ea1i \u0111\u00f3 v\u00e0o t\u1eadn ng\u00f3c ng\u00e1ch m\u1ed7i ng\u00f5 ph\u1ed1, m\u1ed7i khu d\u00e2n c\u01b0, l\u00e0m cho ng\u01b0\u1eddi ta c\u1ea3m th\u1ea5y \u1ed3n \u00e0o kh\u00f4ng y\u00ean.<\/p>\n\n\n\n
\u0110\u1ee9ng tr\u01b0\u1edbc v\u1ea5n \u0111\u1ec1 \u00f4 nhi\u1ec5m c\u1ee7a xe m\u00e1y ch\u1ea1y x\u0103ng \u0111\u1ed1i v\u1edbi \u0111\u00f4 th\u1ecb, xu\u1ea5t ph\u00e1t t\u1eeb tr\u00e1ch nhi\u1ec7m \u0111\u1ed1i v\u1edbi s\u1ee9c kho\u1ebb c\u1ee7a nh\u00e2n d\u00e2n, vi\u1ec7c h\u1ea1n ch\u1ebf s\u1ed1 l\u01b0\u1ee3ng xe g\u1eafn m\u00e1y ch\u1ea1y x\u0103ng, r\u00f5 r\u00e0ng l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p c\u00f3 t\u1ea7m nh\u00ecn xa tr\u00f4ng r\u1ed9ng.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: Xe g\u1eafn m\u00e1y; \u00d4 nhi\u1ec5m; Ti\u1ebfng \u1ed3n; Kh\u00f3i sau xe.<\/p>\n","protected":false},"excerpt":{"rendered":"
Xe g\u1eafn m\u00e1y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng ki\u1ec3u m\u1edbi \u0111\u01b0\u1ee3c m\u1ecdi ng\u01b0\u1eddi hoan ngh\u00eanh, do c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m \u0111i\u1ec1u khi\u1ec3n d\u1ec5 d\u00e0ng, xe ch\u1ea1y linh ho\u1ea1t, nhanh, nh\u1ecf nh\u1eb9, gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng, th\u00edch h\u1ee3p v\u1edbi nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng l\u1ee9a tu\u1ed5i kh\u00e1c nhau. Ch\u1ec9 ri\u00eang \u1edf th\u00e0nh ph\u1ed1 Th\u01b0\u1ee3ng H\u1ea3i, b\u1eaft \u0111\u1ea7u t\u1eeb […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,16],"tags":[],"class_list":["post-8792","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8792"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8792\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}